1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 10 * Copyright(c) 2015 - 2017 Intel Deutschland GmbH 11 * Copyright (C) 2018 - 2019 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 33 * Copyright(c) 2015 - 2017 Intel Deutschland GmbH 34 * Copyright (C) 2018 - 2019 Intel Corporation 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in 45 * the documentation and/or other materials provided with the 46 * distribution. 47 * * Neither the name Intel Corporation nor the names of its 48 * contributors may be used to endorse or promote products derived 49 * from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 *****************************************************************************/ 64 65 #include <linux/kernel.h> 66 #include <linux/module.h> 67 #include <linux/slab.h> 68 #include <linux/etherdevice.h> 69 70 #include <net/mac80211.h> 71 72 #include "iwl-debug.h" 73 #include "mvm.h" 74 #include "iwl-modparams.h" 75 #include "fw/api/power.h" 76 77 #define POWER_KEEP_ALIVE_PERIOD_SEC 25 78 79 static 80 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, 81 struct iwl_beacon_filter_cmd *cmd, 82 u32 flags) 83 { 84 u16 len; 85 86 IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n", 87 le32_to_cpu(cmd->ba_enable_beacon_abort)); 88 IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n", 89 le32_to_cpu(cmd->ba_escape_timer)); 90 IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n", 91 le32_to_cpu(cmd->bf_debug_flag)); 92 IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n", 93 le32_to_cpu(cmd->bf_enable_beacon_filter)); 94 IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n", 95 le32_to_cpu(cmd->bf_energy_delta)); 96 IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n", 97 le32_to_cpu(cmd->bf_escape_timer)); 98 IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n", 99 le32_to_cpu(cmd->bf_roaming_energy_delta)); 100 IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n", 101 le32_to_cpu(cmd->bf_roaming_state)); 102 IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n", 103 le32_to_cpu(cmd->bf_temp_threshold)); 104 IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n", 105 le32_to_cpu(cmd->bf_temp_fast_filter)); 106 IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n", 107 le32_to_cpu(cmd->bf_temp_slow_filter)); 108 IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_low is: %d, %d\n", 109 le32_to_cpu(cmd->bf_threshold_absolute_low[0]), 110 le32_to_cpu(cmd->bf_threshold_absolute_low[1])); 111 112 IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_high is: %d, %d\n", 113 le32_to_cpu(cmd->bf_threshold_absolute_high[0]), 114 le32_to_cpu(cmd->bf_threshold_absolute_high[1])); 115 116 if (fw_has_api(&mvm->fw->ucode_capa, 117 IWL_UCODE_TLV_API_BEACON_FILTER_V4)) 118 len = sizeof(struct iwl_beacon_filter_cmd); 119 else 120 len = offsetof(struct iwl_beacon_filter_cmd, 121 bf_threshold_absolute_low); 122 123 return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags, 124 len, cmd); 125 } 126 127 static 128 void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, 129 struct ieee80211_vif *vif, 130 struct iwl_beacon_filter_cmd *cmd, 131 bool d0i3) 132 { 133 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 134 135 if (vif->bss_conf.cqm_rssi_thold && !d0i3) { 136 cmd->bf_energy_delta = 137 cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); 138 /* fw uses an absolute value for this */ 139 cmd->bf_roaming_state = 140 cpu_to_le32(-vif->bss_conf.cqm_rssi_thold); 141 } 142 cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled); 143 } 144 145 static void iwl_mvm_power_log(struct iwl_mvm *mvm, 146 struct iwl_mac_power_cmd *cmd) 147 { 148 IWL_DEBUG_POWER(mvm, 149 "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n", 150 cmd->id_and_color, iwlmvm_mod_params.power_scheme, 151 le16_to_cpu(cmd->flags)); 152 IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", 153 le16_to_cpu(cmd->keep_alive_seconds)); 154 155 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) { 156 IWL_DEBUG_POWER(mvm, "Disable power management\n"); 157 return; 158 } 159 160 IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n", 161 le32_to_cpu(cmd->rx_data_timeout)); 162 IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", 163 le32_to_cpu(cmd->tx_data_timeout)); 164 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) 165 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n", 166 cmd->skip_dtim_periods); 167 if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) 168 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", 169 cmd->lprx_rssi_threshold); 170 if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { 171 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n"); 172 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n", 173 le32_to_cpu(cmd->rx_data_timeout_uapsd)); 174 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n", 175 le32_to_cpu(cmd->tx_data_timeout_uapsd)); 176 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid); 177 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags); 178 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp); 179 } 180 } 181 182 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, 183 struct ieee80211_vif *vif, 184 struct iwl_mac_power_cmd *cmd) 185 { 186 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 187 enum ieee80211_ac_numbers ac; 188 bool tid_found = false; 189 190 #ifdef CONFIG_IWLWIFI_DEBUGFS 191 /* set advanced pm flag with no uapsd ACs to enable ps-poll */ 192 if (mvmvif->dbgfs_pm.use_ps_poll) { 193 cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); 194 return; 195 } 196 #endif 197 198 for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { 199 if (!mvmvif->queue_params[ac].uapsd) 200 continue; 201 202 if (mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN) 203 cmd->flags |= 204 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); 205 206 cmd->uapsd_ac_flags |= BIT(ac); 207 208 /* QNDP TID - the highest TID with no admission control */ 209 if (!tid_found && !mvmvif->queue_params[ac].acm) { 210 tid_found = true; 211 switch (ac) { 212 case IEEE80211_AC_VO: 213 cmd->qndp_tid = 6; 214 break; 215 case IEEE80211_AC_VI: 216 cmd->qndp_tid = 5; 217 break; 218 case IEEE80211_AC_BE: 219 cmd->qndp_tid = 0; 220 break; 221 case IEEE80211_AC_BK: 222 cmd->qndp_tid = 1; 223 break; 224 } 225 } 226 } 227 228 cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK); 229 230 if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) | 231 BIT(IEEE80211_AC_VI) | 232 BIT(IEEE80211_AC_BE) | 233 BIT(IEEE80211_AC_BK))) { 234 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); 235 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); 236 cmd->snooze_window = 237 (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ? 238 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : 239 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); 240 } 241 242 cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len; 243 244 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN || cmd->flags & 245 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { 246 cmd->rx_data_timeout_uapsd = 247 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); 248 cmd->tx_data_timeout_uapsd = 249 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); 250 } else { 251 cmd->rx_data_timeout_uapsd = 252 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT); 253 cmd->tx_data_timeout_uapsd = 254 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT); 255 } 256 257 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { 258 cmd->heavy_tx_thld_packets = 259 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS; 260 cmd->heavy_rx_thld_packets = 261 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS; 262 } else { 263 cmd->heavy_tx_thld_packets = 264 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; 265 cmd->heavy_rx_thld_packets = 266 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; 267 } 268 cmd->heavy_tx_thld_percentage = 269 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; 270 cmd->heavy_rx_thld_percentage = 271 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; 272 } 273 274 static void iwl_mvm_p2p_standalone_iterator(void *_data, u8 *mac, 275 struct ieee80211_vif *vif) 276 { 277 bool *is_p2p_standalone = _data; 278 279 switch (ieee80211_vif_type_p2p(vif)) { 280 case NL80211_IFTYPE_P2P_GO: 281 case NL80211_IFTYPE_AP: 282 *is_p2p_standalone = false; 283 break; 284 case NL80211_IFTYPE_STATION: 285 if (vif->bss_conf.assoc) 286 *is_p2p_standalone = false; 287 break; 288 289 default: 290 break; 291 } 292 } 293 294 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, 295 struct ieee80211_vif *vif) 296 { 297 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 298 299 if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, 300 ETH_ALEN)) 301 return false; 302 303 /* 304 * Avoid using uAPSD if P2P client is associated to GO that uses 305 * opportunistic power save. This is due to current FW limitation. 306 */ 307 if (vif->p2p && 308 (vif->bss_conf.p2p_noa_attr.oppps_ctwindow & 309 IEEE80211_P2P_OPPPS_ENABLE_BIT)) 310 return false; 311 312 /* 313 * Avoid using uAPSD if client is in DCM - 314 * low latency issue in Miracast 315 */ 316 if (iwl_mvm_phy_ctx_count(mvm) >= 2) 317 return false; 318 319 if (vif->p2p) { 320 /* Allow U-APSD only if p2p is stand alone */ 321 bool is_p2p_standalone = true; 322 323 if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) 324 return false; 325 326 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 327 IEEE80211_IFACE_ITER_NORMAL, 328 iwl_mvm_p2p_standalone_iterator, 329 &is_p2p_standalone); 330 331 if (!is_p2p_standalone) 332 return false; 333 } 334 335 return true; 336 } 337 338 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) 339 { 340 struct ieee80211_chanctx_conf *chanctx_conf; 341 struct ieee80211_channel *chan; 342 bool radar_detect = false; 343 344 rcu_read_lock(); 345 chanctx_conf = rcu_dereference(vif->chanctx_conf); 346 WARN_ON(!chanctx_conf); 347 if (chanctx_conf) { 348 chan = chanctx_conf->def.chan; 349 radar_detect = chan->flags & IEEE80211_CHAN_RADAR; 350 } 351 rcu_read_unlock(); 352 353 return radar_detect; 354 } 355 356 static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm, 357 struct ieee80211_vif *vif, 358 struct iwl_mac_power_cmd *cmd, 359 bool host_awake) 360 { 361 int dtimper = vif->bss_conf.dtim_period ?: 1; 362 int skip; 363 364 /* disable, in case we're supposed to override */ 365 cmd->skip_dtim_periods = 0; 366 cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); 367 368 if (iwl_mvm_power_is_radar(vif)) 369 return; 370 371 if (dtimper >= 10) 372 return; 373 374 /* TODO: check that multicast wake lock is off */ 375 376 if (host_awake) { 377 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP) 378 return; 379 skip = 2; 380 } else { 381 int dtimper_tu = dtimper * vif->bss_conf.beacon_int; 382 383 if (WARN_ON(!dtimper_tu)) 384 return; 385 /* configure skip over dtim up to 306TU - 314 msec */ 386 skip = max_t(u8, 1, 306 / dtimper_tu); 387 } 388 389 /* the firmware really expects "look at every X DTIMs", so add 1 */ 390 cmd->skip_dtim_periods = 1 + skip; 391 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); 392 } 393 394 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, 395 struct ieee80211_vif *vif, 396 struct iwl_mac_power_cmd *cmd, 397 bool host_awake) 398 { 399 int dtimper, bi; 400 int keep_alive; 401 struct iwl_mvm_vif *mvmvif __maybe_unused = 402 iwl_mvm_vif_from_mac80211(vif); 403 404 cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 405 mvmvif->color)); 406 dtimper = vif->bss_conf.dtim_period; 407 bi = vif->bss_conf.beacon_int; 408 409 /* 410 * Regardless of power management state the driver must set 411 * keep alive period. FW will use it for sending keep alive NDPs 412 * immediately after association. Check that keep alive period 413 * is at least 3 * DTIM 414 */ 415 keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi), 416 USEC_PER_SEC); 417 keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC); 418 cmd->keep_alive_seconds = cpu_to_le16(keep_alive); 419 420 if (mvm->ps_disabled) 421 return; 422 423 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); 424 425 if (!vif->bss_conf.ps || !mvmvif->pm_enabled) 426 return; 427 428 if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && 429 (!fw_has_capa(&mvm->fw->ucode_capa, 430 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) || 431 !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE)) 432 return; 433 434 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); 435 436 if (vif->bss_conf.beacon_rate && 437 (vif->bss_conf.beacon_rate->bitrate == 10 || 438 vif->bss_conf.beacon_rate->bitrate == 60)) { 439 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); 440 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; 441 } 442 443 iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake); 444 445 if (!host_awake) { 446 cmd->rx_data_timeout = 447 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); 448 cmd->tx_data_timeout = 449 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); 450 } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && 451 fw_has_capa(&mvm->fw->ucode_capa, 452 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) { 453 cmd->tx_data_timeout = 454 cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT); 455 cmd->rx_data_timeout = 456 cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT); 457 } else { 458 cmd->rx_data_timeout = 459 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); 460 cmd->tx_data_timeout = 461 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); 462 } 463 464 if (iwl_mvm_power_allow_uapsd(mvm, vif)) 465 iwl_mvm_power_configure_uapsd(mvm, vif, cmd); 466 467 #ifdef CONFIG_IWLWIFI_DEBUGFS 468 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) 469 cmd->keep_alive_seconds = 470 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds); 471 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) { 472 if (mvmvif->dbgfs_pm.skip_over_dtim) 473 cmd->flags |= 474 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); 475 else 476 cmd->flags &= 477 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK); 478 } 479 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) 480 cmd->rx_data_timeout = 481 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout); 482 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) 483 cmd->tx_data_timeout = 484 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout); 485 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) 486 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods; 487 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) { 488 if (mvmvif->dbgfs_pm.lprx_ena) 489 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); 490 else 491 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK); 492 } 493 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD) 494 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold; 495 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) { 496 if (mvmvif->dbgfs_pm.snooze_ena) 497 cmd->flags |= 498 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); 499 else 500 cmd->flags &= 501 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK); 502 } 503 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) { 504 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK; 505 if (mvmvif->dbgfs_pm.uapsd_misbehaving) 506 cmd->flags |= cpu_to_le16(flag); 507 else 508 cmd->flags &= cpu_to_le16(flag); 509 } 510 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 511 } 512 513 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, 514 struct ieee80211_vif *vif) 515 { 516 struct iwl_mac_power_cmd cmd = {}; 517 518 iwl_mvm_power_build_cmd(mvm, vif, &cmd, 519 mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN); 520 iwl_mvm_power_log(mvm, &cmd); 521 #ifdef CONFIG_IWLWIFI_DEBUGFS 522 memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd)); 523 #endif 524 525 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0, 526 sizeof(cmd), &cmd); 527 } 528 529 int iwl_mvm_power_update_device(struct iwl_mvm *mvm) 530 { 531 struct iwl_device_power_cmd cmd = { 532 .flags = 0, 533 }; 534 535 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) 536 mvm->ps_disabled = true; 537 538 if (!mvm->ps_disabled) 539 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); 540 541 #ifdef CONFIG_IWLWIFI_DEBUGFS 542 if ((mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ? 543 mvm->disable_power_off_d3 : mvm->disable_power_off) 544 cmd.flags &= 545 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); 546 #endif 547 if (mvm->ext_clock_valid) 548 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_32K_CLK_VALID_MSK); 549 550 IWL_DEBUG_POWER(mvm, 551 "Sending device power command with flags = 0x%X\n", 552 cmd.flags); 553 554 return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd), 555 &cmd); 556 } 557 558 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 559 { 560 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 561 562 if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid, 563 ETH_ALEN)) 564 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid); 565 } 566 567 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, 568 struct ieee80211_vif *vif) 569 { 570 u8 *ap_sta_id = _data; 571 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 572 573 /* The ap_sta_id is not expected to change during current association 574 * so no explicit protection is needed 575 */ 576 if (mvmvif->ap_sta_id == *ap_sta_id) 577 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, 578 ETH_ALEN); 579 } 580 581 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 582 struct iwl_rx_cmd_buffer *rxb) 583 { 584 struct iwl_rx_packet *pkt = rxb_addr(rxb); 585 struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; 586 u8 ap_sta_id = le32_to_cpu(notif->sta_id); 587 588 ieee80211_iterate_active_interfaces_atomic( 589 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 590 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); 591 } 592 593 struct iwl_power_vifs { 594 struct iwl_mvm *mvm; 595 struct ieee80211_vif *bss_vif; 596 struct ieee80211_vif *p2p_vif; 597 struct ieee80211_vif *ap_vif; 598 struct ieee80211_vif *monitor_vif; 599 bool p2p_active; 600 bool bss_active; 601 bool ap_active; 602 bool monitor_active; 603 }; 604 605 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac, 606 struct ieee80211_vif *vif) 607 { 608 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 609 610 mvmvif->pm_enabled = false; 611 } 612 613 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac, 614 struct ieee80211_vif *vif) 615 { 616 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 617 bool *disable_ps = _data; 618 619 if (mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX) 620 *disable_ps |= mvmvif->ps_disabled; 621 } 622 623 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac, 624 struct ieee80211_vif *vif) 625 { 626 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 627 struct iwl_power_vifs *power_iterator = _data; 628 bool active = mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX; 629 630 switch (ieee80211_vif_type_p2p(vif)) { 631 case NL80211_IFTYPE_P2P_DEVICE: 632 break; 633 634 case NL80211_IFTYPE_P2P_GO: 635 case NL80211_IFTYPE_AP: 636 /* only a single MAC of the same type */ 637 WARN_ON(power_iterator->ap_vif); 638 power_iterator->ap_vif = vif; 639 if (active) 640 power_iterator->ap_active = true; 641 break; 642 643 case NL80211_IFTYPE_MONITOR: 644 /* only a single MAC of the same type */ 645 WARN_ON(power_iterator->monitor_vif); 646 power_iterator->monitor_vif = vif; 647 if (active) 648 power_iterator->monitor_active = true; 649 break; 650 651 case NL80211_IFTYPE_P2P_CLIENT: 652 /* only a single MAC of the same type */ 653 WARN_ON(power_iterator->p2p_vif); 654 power_iterator->p2p_vif = vif; 655 if (active) 656 power_iterator->p2p_active = true; 657 break; 658 659 case NL80211_IFTYPE_STATION: 660 power_iterator->bss_vif = vif; 661 if (active) 662 power_iterator->bss_active = true; 663 break; 664 665 default: 666 break; 667 } 668 } 669 670 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm, 671 struct iwl_power_vifs *vifs) 672 { 673 struct iwl_mvm_vif *bss_mvmvif = NULL; 674 struct iwl_mvm_vif *p2p_mvmvif = NULL; 675 struct iwl_mvm_vif *ap_mvmvif = NULL; 676 bool client_same_channel = false; 677 bool ap_same_channel = false; 678 679 lockdep_assert_held(&mvm->mutex); 680 681 /* set pm_enable to false */ 682 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 683 IEEE80211_IFACE_ITER_NORMAL, 684 iwl_mvm_power_disable_pm_iterator, 685 NULL); 686 687 if (vifs->bss_vif) 688 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif); 689 690 if (vifs->p2p_vif) 691 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif); 692 693 if (vifs->ap_vif) 694 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif); 695 696 /* don't allow PM if any TDLS stations exist */ 697 if (iwl_mvm_tdls_sta_count(mvm, NULL)) 698 return; 699 700 /* enable PM on bss if bss stand alone */ 701 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) { 702 bss_mvmvif->pm_enabled = true; 703 return; 704 } 705 706 /* enable PM on p2p if p2p stand alone */ 707 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) { 708 p2p_mvmvif->pm_enabled = true; 709 return; 710 } 711 712 if (vifs->bss_active && vifs->p2p_active) 713 client_same_channel = (bss_mvmvif->phy_ctxt->id == 714 p2p_mvmvif->phy_ctxt->id); 715 if (vifs->bss_active && vifs->ap_active) 716 ap_same_channel = (bss_mvmvif->phy_ctxt->id == 717 ap_mvmvif->phy_ctxt->id); 718 719 /* clients are not stand alone: enable PM if DCM */ 720 if (!(client_same_channel || ap_same_channel)) { 721 if (vifs->bss_active) 722 bss_mvmvif->pm_enabled = true; 723 if (vifs->p2p_active) 724 p2p_mvmvif->pm_enabled = true; 725 return; 726 } 727 728 /* 729 * There is only one channel in the system and there are only 730 * bss and p2p clients that share it 731 */ 732 if (client_same_channel && !vifs->ap_active) { 733 /* share same channel*/ 734 bss_mvmvif->pm_enabled = true; 735 p2p_mvmvif->pm_enabled = true; 736 } 737 } 738 739 #ifdef CONFIG_IWLWIFI_DEBUGFS 740 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, 741 struct ieee80211_vif *vif, char *buf, 742 int bufsz) 743 { 744 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 745 struct iwl_mac_power_cmd cmd = {}; 746 int pos = 0; 747 748 mutex_lock(&mvm->mutex); 749 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd)); 750 mutex_unlock(&mvm->mutex); 751 752 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", 753 iwlmvm_mod_params.power_scheme); 754 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n", 755 le16_to_cpu(cmd.flags)); 756 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", 757 le16_to_cpu(cmd.keep_alive_seconds)); 758 759 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) 760 return pos; 761 762 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", 763 (cmd.flags & 764 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0); 765 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", 766 cmd.skip_dtim_periods); 767 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { 768 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", 769 le32_to_cpu(cmd.rx_data_timeout)); 770 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", 771 le32_to_cpu(cmd.tx_data_timeout)); 772 } 773 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) 774 pos += scnprintf(buf+pos, bufsz-pos, 775 "lprx_rssi_threshold = %d\n", 776 cmd.lprx_rssi_threshold); 777 778 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) 779 return pos; 780 781 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n", 782 le32_to_cpu(cmd.rx_data_timeout_uapsd)); 783 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n", 784 le32_to_cpu(cmd.tx_data_timeout_uapsd)); 785 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid); 786 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n", 787 cmd.uapsd_ac_flags); 788 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n", 789 cmd.uapsd_max_sp); 790 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n", 791 cmd.heavy_tx_thld_packets); 792 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n", 793 cmd.heavy_rx_thld_packets); 794 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n", 795 cmd.heavy_tx_thld_percentage); 796 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", 797 cmd.heavy_rx_thld_percentage); 798 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n", 799 (cmd.flags & 800 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ? 801 1 : 0); 802 803 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK))) 804 return pos; 805 806 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n", 807 cmd.snooze_interval); 808 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n", 809 cmd.snooze_window); 810 811 return pos; 812 } 813 814 void 815 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 816 struct iwl_beacon_filter_cmd *cmd) 817 { 818 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 819 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; 820 821 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) 822 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta); 823 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) 824 cmd->bf_roaming_energy_delta = 825 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta); 826 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) 827 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state); 828 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) 829 cmd->bf_temp_threshold = 830 cpu_to_le32(dbgfs_bf->bf_temp_threshold); 831 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) 832 cmd->bf_temp_fast_filter = 833 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter); 834 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) 835 cmd->bf_temp_slow_filter = 836 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter); 837 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) 838 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag); 839 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) 840 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); 841 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) 842 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); 843 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) 844 cmd->ba_enable_beacon_abort = 845 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort); 846 } 847 #endif 848 849 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 850 struct ieee80211_vif *vif, 851 struct iwl_beacon_filter_cmd *cmd, 852 u32 cmd_flags, 853 bool d0i3) 854 { 855 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 856 int ret; 857 858 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period || 859 vif->type != NL80211_IFTYPE_STATION || vif->p2p) 860 return 0; 861 862 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3); 863 if (!d0i3) 864 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); 865 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); 866 867 /* don't change bf_enabled in case of temporary d0i3 configuration */ 868 if (!ret && !d0i3) 869 mvmvif->bf_data.bf_enabled = true; 870 871 return ret; 872 } 873 874 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 875 struct ieee80211_vif *vif, 876 u32 flags) 877 { 878 struct iwl_beacon_filter_cmd cmd = { 879 IWL_BF_CMD_CONFIG_DEFAULTS, 880 .bf_enable_beacon_filter = cpu_to_le32(1), 881 }; 882 883 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false); 884 } 885 886 static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 887 struct ieee80211_vif *vif, 888 u32 flags, bool d0i3) 889 { 890 struct iwl_beacon_filter_cmd cmd = {}; 891 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 892 int ret; 893 894 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) 895 return 0; 896 897 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); 898 899 /* don't change bf_enabled in case of temporary d0i3 configuration */ 900 if (!ret && !d0i3) 901 mvmvif->bf_data.bf_enabled = false; 902 903 return ret; 904 } 905 906 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 907 struct ieee80211_vif *vif, 908 u32 flags) 909 { 910 return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false); 911 } 912 913 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) 914 { 915 bool disable_ps; 916 int ret; 917 918 /* disable PS if CAM */ 919 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM); 920 /* ...or if any of the vifs require PS to be off */ 921 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 922 IEEE80211_IFACE_ITER_NORMAL, 923 iwl_mvm_power_ps_disabled_iterator, 924 &disable_ps); 925 926 /* update device power state if it has changed */ 927 if (mvm->ps_disabled != disable_ps) { 928 bool old_ps_disabled = mvm->ps_disabled; 929 930 mvm->ps_disabled = disable_ps; 931 ret = iwl_mvm_power_update_device(mvm); 932 if (ret) { 933 mvm->ps_disabled = old_ps_disabled; 934 return ret; 935 } 936 } 937 938 return 0; 939 } 940 941 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, 942 struct ieee80211_vif *vif) 943 { 944 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 945 struct iwl_beacon_filter_cmd cmd = { 946 IWL_BF_CMD_CONFIG_DEFAULTS, 947 .bf_enable_beacon_filter = cpu_to_le32(1), 948 }; 949 950 if (!mvmvif->bf_data.bf_enabled) 951 return 0; 952 953 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) 954 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); 955 956 mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled || 957 mvm->ps_disabled || 958 !vif->bss_conf.ps || 959 iwl_mvm_vif_low_latency(mvmvif)); 960 961 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); 962 } 963 964 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm) 965 { 966 struct iwl_power_vifs vifs = { 967 .mvm = mvm, 968 }; 969 int ret; 970 971 lockdep_assert_held(&mvm->mutex); 972 973 /* get vifs info */ 974 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 975 IEEE80211_IFACE_ITER_NORMAL, 976 iwl_mvm_power_get_vifs_iterator, &vifs); 977 978 ret = iwl_mvm_power_set_ps(mvm); 979 if (ret) 980 return ret; 981 982 if (vifs.bss_vif) 983 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif); 984 985 return 0; 986 } 987 988 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) 989 { 990 struct iwl_power_vifs vifs = { 991 .mvm = mvm, 992 }; 993 int ret; 994 995 lockdep_assert_held(&mvm->mutex); 996 997 /* get vifs info */ 998 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 999 IEEE80211_IFACE_ITER_NORMAL, 1000 iwl_mvm_power_get_vifs_iterator, &vifs); 1001 1002 iwl_mvm_power_set_pm(mvm, &vifs); 1003 1004 ret = iwl_mvm_power_set_ps(mvm); 1005 if (ret) 1006 return ret; 1007 1008 if (vifs.bss_vif) { 1009 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif); 1010 if (ret) 1011 return ret; 1012 } 1013 1014 if (vifs.p2p_vif) { 1015 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif); 1016 if (ret) 1017 return ret; 1018 } 1019 1020 if (vifs.bss_vif) 1021 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif); 1022 1023 return 0; 1024 } 1025 1026 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1027 struct ieee80211_vif *vif, 1028 bool enable, u32 flags) 1029 { 1030 int ret; 1031 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1032 struct iwl_mac_power_cmd cmd = {}; 1033 1034 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) 1035 return 0; 1036 1037 if (!vif->bss_conf.assoc) 1038 return 0; 1039 1040 iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable); 1041 1042 iwl_mvm_power_log(mvm, &cmd); 1043 #ifdef CONFIG_IWLWIFI_DEBUGFS 1044 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); 1045 #endif 1046 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, 1047 sizeof(cmd), &cmd); 1048 if (ret) 1049 return ret; 1050 1051 /* configure beacon filtering */ 1052 if (mvmvif != mvm->bf_allowed_vif) 1053 return 0; 1054 1055 if (enable) { 1056 struct iwl_beacon_filter_cmd cmd_bf = { 1057 IWL_BF_CMD_CONFIG_D0I3, 1058 .bf_enable_beacon_filter = cpu_to_le32(1), 1059 }; 1060 /* 1061 * When beacon storing is supported - disable beacon filtering 1062 * altogether - the latest beacon will be sent when exiting d0i3 1063 */ 1064 if (fw_has_capa(&mvm->fw->ucode_capa, 1065 IWL_UCODE_TLV_CAPA_BEACON_STORING)) 1066 ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags, 1067 true); 1068 else 1069 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, 1070 flags, true); 1071 } else { 1072 if (mvmvif->bf_data.bf_enabled) 1073 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); 1074 else 1075 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags); 1076 } 1077 1078 return ret; 1079 } 1080