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

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2012-2014, 2018-2019, 2021-2024 Intel Corporation
   4  * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
   5  * Copyright (C) 2015-2017 Intel Deutschland GmbH
   6  */
   7 #include <linux/kernel.h>
   8 #include <linux/module.h>
   9 #include <linux/slab.h>
  10 #include <linux/etherdevice.h>
  11
  12 #include <net/mac80211.h>
  13
  14 #include "iwl-debug.h"
  15 #include "mvm.h"
  16 #include "iwl-modparams.h"
  17 #include "fw/api/power.h"
  18
  19 #define POWER_KEEP_ALIVE_PERIOD_SEC    25
  20
  21 static
  22 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
  23                                    struct iwl_beacon_filter_cmd *cmd)
  24 {
  25         u16 len;
  26
  27         IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
  28                         le32_to_cpu(cmd->ba_enable_beacon_abort));
  29         IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
  30                         le32_to_cpu(cmd->ba_escape_timer));
  31         IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
  32                         le32_to_cpu(cmd->bf_debug_flag));
  33         IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
  34                         le32_to_cpu(cmd->bf_enable_beacon_filter));
  35         IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
  36                         le32_to_cpu(cmd->bf_energy_delta));
  37         IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
  38                         le32_to_cpu(cmd->bf_escape_timer));
  39         IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
  40                         le32_to_cpu(cmd->bf_roaming_energy_delta));
  41         IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
  42                         le32_to_cpu(cmd->bf_roaming_state));
  43         IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
  44                         le32_to_cpu(cmd->bf_temp_threshold));
  45         IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
  46                         le32_to_cpu(cmd->bf_temp_fast_filter));
  47         IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
  48                         le32_to_cpu(cmd->bf_temp_slow_filter));
  49         IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_low is: %d, %d\n",
  50                         le32_to_cpu(cmd->bf_threshold_absolute_low[0]),
  51                         le32_to_cpu(cmd->bf_threshold_absolute_low[1]));
  52
  53         IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_high is: %d, %d\n",
  54                         le32_to_cpu(cmd->bf_threshold_absolute_high[0]),
  55                         le32_to_cpu(cmd->bf_threshold_absolute_high[1]));
  56
  57         if (fw_has_api(&mvm->fw->ucode_capa,
  58                        IWL_UCODE_TLV_API_BEACON_FILTER_V4))
  59                 len = sizeof(struct iwl_beacon_filter_cmd);
  60         else
  61                 len = offsetof(struct iwl_beacon_filter_cmd,
  62                                bf_threshold_absolute_low);
  63
  64         return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, 0,
  65                                     len, cmd);
  66 }
  67
  68 static
  69 void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
  70                                           struct ieee80211_vif *vif,
  71                                           struct iwl_beacon_filter_cmd *cmd)
  72 {
  73         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
  74
  75         if (vif->bss_conf.cqm_rssi_thold) {
  76                 cmd->bf_energy_delta =
  77                         cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
  78                 /* fw uses an absolute value for this */
  79                 cmd->bf_roaming_state =
  80                         cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
  81         }
  82         cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->ba_enabled);
  83 }
  84
  85 static void iwl_mvm_power_log(struct iwl_mvm *mvm,
  86                               struct iwl_mac_power_cmd *cmd)
  87 {
  88         IWL_DEBUG_POWER(mvm,
  89                         "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
  90                         cmd->id_and_color, iwlmvm_mod_params.power_scheme,
  91                         le16_to_cpu(cmd->flags));
  92         IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
  93                         le16_to_cpu(cmd->keep_alive_seconds));
  94
  95         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
  96                 IWL_DEBUG_POWER(mvm, "Disable power management\n");
  97                 return;
  98         }
  99
 100         IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
 101                         le32_to_cpu(cmd->rx_data_timeout));
 102         IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
 103                         le32_to_cpu(cmd->tx_data_timeout));
 104         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
 105                 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
 106                                 cmd->skip_dtim_periods);
 107         if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 108                 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
 109                                 cmd->lprx_rssi_threshold);
 110         if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
 111                 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
 112                 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
 113                                 le32_to_cpu(cmd->rx_data_timeout_uapsd));
 114                 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
 115                                 le32_to_cpu(cmd->tx_data_timeout_uapsd));
 116                 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
 117                 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
 118                 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
 119         }
 120 }
 121
 122 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
 123                                           struct ieee80211_vif *vif,
 124                                           struct iwl_mac_power_cmd *cmd)
 125 {
 126         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 127         enum ieee80211_ac_numbers ac;
 128         bool tid_found = false;
 129
 130         if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ||
 131             cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 132                 cmd->rx_data_timeout_uapsd =
 133                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 134                 cmd->tx_data_timeout_uapsd =
 135                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 136         } else {
 137                 cmd->rx_data_timeout_uapsd =
 138                         cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
 139                 cmd->tx_data_timeout_uapsd =
 140                         cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
 141         }
 142
 143 #ifdef CONFIG_IWLWIFI_DEBUGFS
 144         /* set advanced pm flag with no uapsd ACs to enable ps-poll */
 145         if (mvmvif->dbgfs_pm.use_ps_poll) {
 146                 cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 147                 return;
 148         }
 149 #endif
 150
 151         for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
 152                 if (!mvmvif->deflink.queue_params[ac].uapsd)
 153                         continue;
 154
 155                 if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))
 156                         cmd->flags |=
 157                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 158
 159                 cmd->uapsd_ac_flags |= BIT(ac);
 160
 161                 /* QNDP TID - the highest TID with no admission control */
 162                 if (!tid_found && !mvmvif->deflink.queue_params[ac].acm) {
 163                         tid_found = true;
 164                         switch (ac) {
 165                         case IEEE80211_AC_VO:
 166                                 cmd->qndp_tid = 6;
 167                                 break;
 168                         case IEEE80211_AC_VI:
 169                                 cmd->qndp_tid = 5;
 170                                 break;
 171                         case IEEE80211_AC_BE:
 172                                 cmd->qndp_tid = 0;
 173                                 break;
 174                         case IEEE80211_AC_BK:
 175                                 cmd->qndp_tid = 1;
 176                                 break;
 177                         }
 178                 }
 179         }
 180
 181         cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
 182
 183         if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
 184                                     BIT(IEEE80211_AC_VI) |
 185                                     BIT(IEEE80211_AC_BE) |
 186                                     BIT(IEEE80211_AC_BK))) {
 187                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 188                 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
 189                 cmd->snooze_window =
 190                         test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ?
 191                                 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
 192                                 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
 193         }
 194
 195         cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len;
 196
 197         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 198                 cmd->heavy_tx_thld_packets =
 199                         IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
 200                 cmd->heavy_rx_thld_packets =
 201                         IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
 202         } else {
 203                 cmd->heavy_tx_thld_packets =
 204                         IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
 205                 cmd->heavy_rx_thld_packets =
 206                         IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
 207         }
 208         cmd->heavy_tx_thld_percentage =
 209                 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
 210         cmd->heavy_rx_thld_percentage =
 211                 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
 212 }
 213
 214 struct iwl_allow_uapsd_iface_iterator_data {
 215         struct ieee80211_vif *current_vif;
 216         bool allow_uapsd;
 217 };
 218
 219 static void iwl_mvm_allow_uapsd_iterator(void *_data, u8 *mac,
 220                                          struct ieee80211_vif *vif)
 221 {
 222         struct iwl_allow_uapsd_iface_iterator_data *data = _data;
 223         struct iwl_mvm_vif *other_mvmvif = iwl_mvm_vif_from_mac80211(vif);
 224         struct iwl_mvm_vif *curr_mvmvif =
 225                 iwl_mvm_vif_from_mac80211(data->current_vif);
 226
 227         /* exclude the given vif */
 228         if (vif == data->current_vif)
 229                 return;
 230
 231         switch (vif->type) {
 232         case NL80211_IFTYPE_AP:
 233         case NL80211_IFTYPE_ADHOC:
 234         case NL80211_IFTYPE_NAN:
 235                 data->allow_uapsd = false;
 236                 break;
 237         case NL80211_IFTYPE_STATION:
 238                 /* allow UAPSD if P2P interface and BSS station interface share
 239                  * the same channel.
 240                  */
 241                 if (vif->cfg.assoc && other_mvmvif->deflink.phy_ctxt &&
 242                     curr_mvmvif->deflink.phy_ctxt &&
 243                     other_mvmvif->deflink.phy_ctxt->id != curr_mvmvif->deflink.phy_ctxt->id)
 244                         data->allow_uapsd = false;
 245                 break;
 246
 247         default:
 248                 break;
 249         }
 250 }
 251
 252 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
 253                                        struct ieee80211_vif *vif)
 254 {
 255         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 256         struct iwl_allow_uapsd_iface_iterator_data data = {
 257                 .current_vif = vif,
 258                 .allow_uapsd = true,
 259         };
 260
 261         if (ether_addr_equal(mvmvif->uapsd_misbehaving_ap_addr,
 262                              vif->cfg.ap_addr))
 263                 return false;
 264
 265         /*
 266          * Avoid using uAPSD if P2P client is associated to GO that uses
 267          * opportunistic power save. This is due to current FW limitation.
 268          */
 269         if (vif->p2p &&
 270             (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
 271             IEEE80211_P2P_OPPPS_ENABLE_BIT))
 272                 return false;
 273
 274         if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm))
 275                 return false;
 276
 277         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 278                                 IEEE80211_IFACE_ITER_NORMAL,
 279                                 iwl_mvm_allow_uapsd_iterator,
 280                                 &data);
 281
 282         return data.allow_uapsd;
 283 }
 284
 285 static bool iwl_mvm_power_is_radar(struct ieee80211_bss_conf *link_conf)
 286 {
 287         struct ieee80211_chanctx_conf *chanctx_conf;
 288
 289         chanctx_conf = rcu_dereference(link_conf->chanctx_conf);
 290
 291         /* this happens on link switching, just ignore inactive ones */
 292         if (!chanctx_conf)
 293                 return false;
 294
 295         return chanctx_conf->def.chan->flags & IEEE80211_CHAN_RADAR;
 296 }
 297
 298 static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
 299                                            struct ieee80211_vif *vif,
 300                                            struct iwl_mac_power_cmd *cmd)
 301 {
 302         struct ieee80211_bss_conf *link_conf;
 303         unsigned int min_link_skip = ~0;
 304         unsigned int link_id;
 305
 306         /* disable, in case we're supposed to override */
 307         cmd->skip_dtim_periods = 0;
 308         cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 309
 310         if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) {
 311                 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
 312                         return;
 313                 cmd->skip_dtim_periods = 2;
 314                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 315                 return;
 316         }
 317
 318         rcu_read_lock();
 319         for_each_vif_active_link(vif, link_conf, link_id) {
 320                 unsigned int dtimper = link_conf->dtim_period ?: 1;
 321                 unsigned int dtimper_tu = dtimper * link_conf->beacon_int;
 322                 unsigned int skip;
 323
 324                 if (dtimper >= 10 || iwl_mvm_power_is_radar(link_conf)) {
 325                         rcu_read_unlock();
 326                         return;
 327                 }
 328
 329                 if (WARN_ON(!dtimper_tu))
 330                         continue;
 331
 332                 /* configure skip over dtim up to 900 TU DTIM interval */
 333                 skip = max_t(int, 1, 900 / dtimper_tu);
 334                 min_link_skip = min(min_link_skip, skip);
 335         }
 336         rcu_read_unlock();
 337
 338         /* no WARN_ON, can only happen with WARN_ON above */
 339         if (min_link_skip == ~0)
 340                 return;
 341
 342         cmd->skip_dtim_periods = min_link_skip;
 343         cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 344 }
 345
 346 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
 347                                     struct ieee80211_vif *vif,
 348                                     struct iwl_mac_power_cmd *cmd)
 349 {
 350         int dtimper, bi;
 351         int keep_alive;
 352         struct iwl_mvm_vif *mvmvif __maybe_unused =
 353                 iwl_mvm_vif_from_mac80211(vif);
 354
 355         cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
 356                                                             mvmvif->color));
 357         dtimper = vif->bss_conf.dtim_period;
 358         bi = vif->bss_conf.beacon_int;
 359
 360         /*
 361          * Regardless of power management state the driver must set
 362          * keep alive period. FW will use it for sending keep alive NDPs
 363          * immediately after association. Check that keep alive period
 364          * is at least 3 * DTIM
 365          */
 366         keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
 367                                   USEC_PER_SEC);
 368         keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
 369         cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
 370
 371         if (mvm->ps_disabled)
 372                 return;
 373
 374         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 375
 376         if (!vif->cfg.ps || !mvmvif->pm_enabled)
 377                 return;
 378
 379         if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
 380             (!fw_has_capa(&mvm->fw->ucode_capa,
 381                          IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
 382              !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE))
 383                 return;
 384
 385         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
 386
 387         if (vif->bss_conf.beacon_rate &&
 388             (vif->bss_conf.beacon_rate->bitrate == 10 ||
 389              vif->bss_conf.beacon_rate->bitrate == 60)) {
 390                 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 391                 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
 392         }
 393
 394         iwl_mvm_power_config_skip_dtim(mvm, vif, cmd);
 395
 396         if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) {
 397                 cmd->rx_data_timeout =
 398                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 399                 cmd->tx_data_timeout =
 400                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 401         } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
 402                    fw_has_capa(&mvm->fw->ucode_capa,
 403                                IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
 404                 cmd->tx_data_timeout =
 405                         cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
 406                 cmd->rx_data_timeout =
 407                         cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
 408         } else {
 409                 cmd->rx_data_timeout =
 410                         cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
 411                 cmd->tx_data_timeout =
 412                         cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
 413         }
 414
 415         if (iwl_mvm_power_allow_uapsd(mvm, vif))
 416                 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
 417
 418 #ifdef CONFIG_IWLWIFI_DEBUGFS
 419         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
 420                 cmd->keep_alive_seconds =
 421                         cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
 422         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
 423                 if (mvmvif->dbgfs_pm.skip_over_dtim)
 424                         cmd->flags |=
 425                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 426                 else
 427                         cmd->flags &=
 428                                 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 429         }
 430         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
 431                 cmd->rx_data_timeout =
 432                         cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
 433         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
 434                 cmd->tx_data_timeout =
 435                         cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
 436         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
 437                 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
 438         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
 439                 if (mvmvif->dbgfs_pm.lprx_ena)
 440                         cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 441                 else
 442                         cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
 443         }
 444         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
 445                 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
 446         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
 447                 if (mvmvif->dbgfs_pm.snooze_ena)
 448                         cmd->flags |=
 449                                 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 450                 else
 451                         cmd->flags &=
 452                                 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
 453         }
 454         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
 455                 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
 456                 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
 457                         cmd->flags |= cpu_to_le16(flag);
 458                 else
 459                         cmd->flags &= cpu_to_le16(flag);
 460         }
 461 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 462 }
 463
 464 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
 465                                          struct ieee80211_vif *vif)
 466 {
 467         struct iwl_mac_power_cmd cmd = {};
 468
 469         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 470         iwl_mvm_power_log(mvm, &cmd);
 471 #ifdef CONFIG_IWLWIFI_DEBUGFS
 472         memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
 473 #endif
 474
 475         return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
 476                                     sizeof(cmd), &cmd);
 477 }
 478
 479 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
 480 {
 481         struct iwl_device_power_cmd cmd = {
 482                 .flags = 0,
 483         };
 484
 485         if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
 486                 mvm->ps_disabled = true;
 487
 488         if (!mvm->ps_disabled)
 489                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 490
 491 #ifdef CONFIG_IWLWIFI_DEBUGFS
 492         if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ?
 493                         mvm->disable_power_off_d3 : mvm->disable_power_off)
 494                 cmd.flags &=
 495                         cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 496 #endif
 497         if (mvm->ext_clock_valid)
 498                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_32K_CLK_VALID_MSK);
 499
 500         if (iwl_fw_lookup_cmd_ver(mvm->fw, POWER_TABLE_CMD, 0) >= 7 &&
 501             test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))
 502                 cmd.flags |=
 503                         cpu_to_le16(DEVICE_POWER_FLAGS_NO_SLEEP_TILL_D3_MSK);
 504
 505         IWL_DEBUG_POWER(mvm,
 506                         "Sending device power command with flags = 0x%X\n",
 507                         cmd.flags);
 508
 509         return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
 510                                     &cmd);
 511 }
 512
 513 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 514 {
 515         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 516
 517         if (!ether_addr_equal(mvmvif->uapsd_misbehaving_ap_addr,
 518                               vif->cfg.ap_addr))
 519                 eth_zero_addr(mvmvif->uapsd_misbehaving_ap_addr);
 520 }
 521
 522 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
 523                                                      struct ieee80211_vif *vif)
 524 {
 525         u8 *ap_sta_id = _data;
 526         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 527         struct ieee80211_bss_conf *link_conf;
 528         unsigned int link_id;
 529
 530         rcu_read_lock();
 531         for_each_vif_active_link(vif, link_conf, link_id) {
 532                 struct iwl_mvm_vif_link_info *link_info = mvmvif->link[link_id];
 533
 534                 /* The ap_sta_id is not expected to change during current
 535                  * association so no explicit protection is needed
 536                  */
 537                 if (link_info->ap_sta_id == *ap_sta_id) {
 538                         ether_addr_copy(mvmvif->uapsd_misbehaving_ap_addr,
 539                                         vif->cfg.ap_addr);
 540                         break;
 541                 }
 542         }
 543         rcu_read_unlock();
 544 }
 545
 546 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 547                                               struct iwl_rx_cmd_buffer *rxb)
 548 {
 549         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 550         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 551         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 552
 553         ieee80211_iterate_active_interfaces_atomic(
 554                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 555                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 556 }
 557
 558 struct iwl_power_vifs {
 559         struct iwl_mvm *mvm;
 560         struct ieee80211_vif *bss_vif;
 561         struct ieee80211_vif *p2p_vif;
 562         struct ieee80211_vif *ap_vif;
 563         struct ieee80211_vif *monitor_vif;
 564         bool p2p_active;
 565         bool bss_active;
 566         bool ap_active;
 567         bool monitor_active;
 568 };
 569
 570 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8 *mac,
 571                                               struct ieee80211_vif *vif)
 572 {
 573         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 574
 575         mvmvif->pm_enabled = false;
 576 }
 577
 578 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8 *mac,
 579                                                struct ieee80211_vif *vif)
 580 {
 581         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 582         bool *disable_ps = _data;
 583
 584         if (iwl_mvm_vif_is_active(mvmvif))
 585                 *disable_ps |= mvmvif->ps_disabled;
 586 }
 587
 588 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 589                                             struct ieee80211_vif *vif)
 590 {
 591         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 592         struct iwl_power_vifs *power_iterator = _data;
 593         bool active;
 594
 595         if (!mvmvif->uploaded)
 596                 return;
 597
 598         active = iwl_mvm_vif_is_active(mvmvif);
 599
 600         switch (ieee80211_vif_type_p2p(vif)) {
 601         case NL80211_IFTYPE_P2P_DEVICE:
 602                 break;
 603
 604         case NL80211_IFTYPE_P2P_GO:
 605         case NL80211_IFTYPE_AP:
 606                 /* only a single MAC of the same type */
 607                 WARN_ON(power_iterator->ap_vif);
 608                 power_iterator->ap_vif = vif;
 609                 if (active)
 610                         power_iterator->ap_active = true;
 611                 break;
 612
 613         case NL80211_IFTYPE_MONITOR:
 614                 /* only a single MAC of the same type */
 615                 WARN_ON(power_iterator->monitor_vif);
 616                 power_iterator->monitor_vif = vif;
 617                 if (active)
 618                         power_iterator->monitor_active = true;
 619                 break;
 620
 621         case NL80211_IFTYPE_P2P_CLIENT:
 622                 /* only a single MAC of the same type */
 623                 WARN_ON(power_iterator->p2p_vif);
 624                 power_iterator->p2p_vif = vif;
 625                 if (active)
 626                         power_iterator->p2p_active = true;
 627                 break;
 628
 629         case NL80211_IFTYPE_STATION:
 630                 power_iterator->bss_vif = vif;
 631                 if (active)
 632                         power_iterator->bss_active = true;
 633                 break;
 634
 635         default:
 636                 break;
 637         }
 638 }
 639
 640 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 641                                  struct iwl_power_vifs *vifs)
 642 {
 643         struct iwl_mvm_vif *bss_mvmvif = NULL;
 644         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 645         struct iwl_mvm_vif *ap_mvmvif = NULL;
 646         bool client_same_channel = false;
 647         bool ap_same_channel = false;
 648
 649         lockdep_assert_held(&mvm->mutex);
 650
 651         /* set pm_enable to false */
 652         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 653                                         IEEE80211_IFACE_ITER_NORMAL,
 654                                         iwl_mvm_power_disable_pm_iterator,
 655                                         NULL);
 656
 657         if (vifs->bss_vif)
 658                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 659
 660         if (vifs->p2p_vif)
 661                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 662
 663         if (vifs->ap_vif)
 664                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 665
 666         /* don't allow PM if any TDLS stations exist */
 667         if (iwl_mvm_tdls_sta_count(mvm, NULL))
 668                 return;
 669
 670         /* enable PM on bss if bss stand alone */
 671         if (bss_mvmvif && vifs->bss_active && !vifs->p2p_active &&
 672             !vifs->ap_active) {
 673                 bss_mvmvif->pm_enabled = true;
 674                 return;
 675         }
 676
 677         /* enable PM on p2p if p2p stand alone */
 678         if (p2p_mvmvif && vifs->p2p_active && !vifs->bss_active &&
 679             !vifs->ap_active) {
 680                 p2p_mvmvif->pm_enabled = true;
 681                 return;
 682         }
 683
 684         if (p2p_mvmvif && bss_mvmvif && vifs->bss_active && vifs->p2p_active)
 685                 client_same_channel =
 686                         iwl_mvm_have_links_same_channel(bss_mvmvif, p2p_mvmvif);
 687
 688         if (bss_mvmvif && ap_mvmvif && vifs->bss_active && vifs->ap_active)
 689                 ap_same_channel =
 690                         iwl_mvm_have_links_same_channel(bss_mvmvif, ap_mvmvif);
 691
 692         /* clients are not stand alone: enable PM if DCM */
 693         if (!(client_same_channel || ap_same_channel)) {
 694                 if (bss_mvmvif && vifs->bss_active)
 695                         bss_mvmvif->pm_enabled = true;
 696                 if (p2p_mvmvif && vifs->p2p_active)
 697                         p2p_mvmvif->pm_enabled = true;
 698                 return;
 699         }
 700
 701         /*
 702          * There is only one channel in the system and there are only
 703          * bss and p2p clients that share it
 704          */
 705         if (client_same_channel && !vifs->ap_active) {
 706                 /* share same channel*/
 707                 bss_mvmvif->pm_enabled = true;
 708                 p2p_mvmvif->pm_enabled = true;
 709         }
 710 }
 711
 712 #ifdef CONFIG_IWLWIFI_DEBUGFS
 713 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 714                                  struct ieee80211_vif *vif, char *buf,
 715                                  int bufsz)
 716 {
 717         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 718         struct iwl_mac_power_cmd cmd = {};
 719         int pos = 0;
 720
 721         mutex_lock(&mvm->mutex);
 722         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 723         mutex_unlock(&mvm->mutex);
 724
 725         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 726                          iwlmvm_mod_params.power_scheme);
 727         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 728                          le16_to_cpu(cmd.flags));
 729         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 730                          le16_to_cpu(cmd.keep_alive_seconds));
 731
 732         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 733                 return pos;
 734
 735         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 736                          (cmd.flags &
 737                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 738         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 739                          cmd.skip_dtim_periods);
 740         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 741                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 742                                  le32_to_cpu(cmd.rx_data_timeout));
 743                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 744                                  le32_to_cpu(cmd.tx_data_timeout));
 745         }
 746         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 747                 pos += scnprintf(buf+pos, bufsz-pos,
 748                                  "lprx_rssi_threshold = %d\n",
 749                                  cmd.lprx_rssi_threshold);
 750
 751         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 752                 return pos;
 753
 754         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 755                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 756         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 757                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 758         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 759         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 760                          cmd.uapsd_ac_flags);
 761         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 762                          cmd.uapsd_max_sp);
 763         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 764                          cmd.heavy_tx_thld_packets);
 765         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 766                          cmd.heavy_rx_thld_packets);
 767         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 768                          cmd.heavy_tx_thld_percentage);
 769         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 770                          cmd.heavy_rx_thld_percentage);
 771         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 772                          (cmd.flags &
 773                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 774                          1 : 0);
 775
 776         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 777                 return pos;
 778
 779         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 780                          cmd.snooze_interval);
 781         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 782                          cmd.snooze_window);
 783
 784         return pos;
 785 }
 786
 787 void
 788 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 789                                          struct iwl_beacon_filter_cmd *cmd)
 790 {
 791         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 792         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 793
 794         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 795                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 796         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 797                 cmd->bf_roaming_energy_delta =
 798                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 799         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 800                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 801         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 802                 cmd->bf_temp_threshold =
 803                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 804         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 805                 cmd->bf_temp_fast_filter =
 806                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 807         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 808                 cmd->bf_temp_slow_filter =
 809                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 810         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 811                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 812         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 813                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 814         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 815                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 816         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 817                 cmd->ba_enable_beacon_abort =
 818                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 819 }
 820 #endif
 821
 822 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 823                                          struct ieee80211_vif *vif,
 824                                          struct iwl_beacon_filter_cmd *cmd)
 825 {
 826         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 827         int ret;
 828
 829         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 830             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 831                 return 0;
 832
 833         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
 834         iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 835         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd);
 836
 837         if (!ret)
 838                 mvmvif->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 {
 846         struct iwl_beacon_filter_cmd cmd = {
 847                 IWL_BF_CMD_CONFIG_DEFAULTS,
 848                 .bf_enable_beacon_filter = cpu_to_le32(1),
 849         };
 850
 851         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd);
 852 }
 853
 854 static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 855                                           struct ieee80211_vif *vif)
 856 {
 857         struct iwl_beacon_filter_cmd cmd = {};
 858         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 859         int ret;
 860
 861         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 862                 return 0;
 863
 864         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd);
 865
 866         if (!ret)
 867                 mvmvif->bf_enabled = false;
 868
 869         return ret;
 870 }
 871
 872 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 873                                   struct ieee80211_vif *vif)
 874 {
 875         return _iwl_mvm_disable_beacon_filter(mvm, vif);
 876 }
 877
 878 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 879 {
 880         bool disable_ps;
 881         int ret;
 882
 883         /* disable PS if CAM */
 884         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 885         /* ...or if any of the vifs require PS to be off */
 886         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 887                                         IEEE80211_IFACE_ITER_NORMAL,
 888                                         iwl_mvm_power_ps_disabled_iterator,
 889                                         &disable_ps);
 890
 891         /* update device power state if it has changed */
 892         if (mvm->ps_disabled != disable_ps) {
 893                 bool old_ps_disabled = mvm->ps_disabled;
 894
 895                 mvm->ps_disabled = disable_ps;
 896                 ret = iwl_mvm_power_update_device(mvm);
 897                 if (ret) {
 898                         mvm->ps_disabled = old_ps_disabled;
 899                         return ret;
 900                 }
 901         }
 902
 903         return 0;
 904 }
 905
 906 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 907                                 struct ieee80211_vif *vif)
 908 {
 909         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 910         struct iwl_beacon_filter_cmd cmd = {
 911                 IWL_BF_CMD_CONFIG_DEFAULTS,
 912                 .bf_enable_beacon_filter = cpu_to_le32(1),
 913         };
 914
 915         if (!mvmvif->bf_enabled)
 916                 return 0;
 917
 918         if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))
 919                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 920
 921         mvmvif->ba_enabled = !(!mvmvif->pm_enabled ||
 922                                mvm->ps_disabled ||
 923                                !vif->cfg.ps ||
 924                                iwl_mvm_vif_low_latency(mvmvif));
 925
 926         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd);
 927 }
 928
 929 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 930 {
 931         struct iwl_power_vifs vifs = {
 932                 .mvm = mvm,
 933         };
 934         int ret;
 935
 936         lockdep_assert_held(&mvm->mutex);
 937
 938         /* get vifs info */
 939         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 940                                         IEEE80211_IFACE_ITER_NORMAL,
 941                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 942
 943         ret = iwl_mvm_power_set_ps(mvm);
 944         if (ret)
 945                 return ret;
 946
 947         if (vifs.bss_vif)
 948                 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
 949
 950         return 0;
 951 }
 952
 953 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 954 {
 955         struct iwl_power_vifs vifs = {
 956                 .mvm = mvm,
 957         };
 958         int ret;
 959
 960         lockdep_assert_held(&mvm->mutex);
 961
 962         /* get vifs info */
 963         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 964                                         IEEE80211_IFACE_ITER_NORMAL,
 965                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 966
 967         iwl_mvm_power_set_pm(mvm, &vifs);
 968
 969         ret = iwl_mvm_power_set_ps(mvm);
 970         if (ret)
 971                 return ret;
 972
 973         if (vifs.bss_vif) {
 974                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 975                 if (ret)
 976                         return ret;
 977         }
 978
 979         if (vifs.p2p_vif) {
 980                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
 981                 if (ret)
 982                         return ret;
 983         }
 984
 985         if (vifs.bss_vif)
 986                 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
 987
 988         return 0;
 989 }