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 - 2016 Intel Deutschland GmbH 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 24 * USA 25 * 26 * The full GNU General Public License is included in this distribution 27 * in the file called COPYING. 28 * 29 * Contact Information: 30 * Intel Linux Wireless <linuxwifi@intel.com> 31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 32 * 33 * BSD LICENSE 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 38 * All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 44 * * Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * * Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in 48 * the documentation and/or other materials provided with the 49 * distribution. 50 * * Neither the name Intel Corporation nor the names of its 51 * contributors may be used to endorse or promote products derived 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, 59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 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 = mvm->hw->uapsd_max_sp_len; 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_scm_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 p2p_mvmvif->pm_enabled = true; 698 return; 699 } 700 701 if (vifs->bss_active && vifs->p2p_active) 702 client_same_channel = (bss_mvmvif->phy_ctxt->id == 703 p2p_mvmvif->phy_ctxt->id); 704 if (vifs->bss_active && vifs->ap_active) 705 ap_same_channel = (bss_mvmvif->phy_ctxt->id == 706 ap_mvmvif->phy_ctxt->id); 707 708 /* clients are not stand alone: enable PM if DCM */ 709 if (!(client_same_channel || ap_same_channel)) { 710 if (vifs->bss_active) 711 bss_mvmvif->pm_enabled = true; 712 if (vifs->p2p_active) 713 p2p_mvmvif->pm_enabled = true; 714 return; 715 } 716 717 /* 718 * There is only one channel in the system and there are only 719 * bss and p2p clients that share it 720 */ 721 if (client_same_channel && !vifs->ap_active) { 722 /* share same channel*/ 723 bss_mvmvif->pm_enabled = true; 724 p2p_mvmvif->pm_enabled = true; 725 } 726 } 727 728 #ifdef CONFIG_IWLWIFI_DEBUGFS 729 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, 730 struct ieee80211_vif *vif, char *buf, 731 int bufsz) 732 { 733 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 734 struct iwl_mac_power_cmd cmd = {}; 735 int pos = 0; 736 737 mutex_lock(&mvm->mutex); 738 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd)); 739 mutex_unlock(&mvm->mutex); 740 741 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", 742 iwlmvm_mod_params.power_scheme); 743 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n", 744 le16_to_cpu(cmd.flags)); 745 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", 746 le16_to_cpu(cmd.keep_alive_seconds)); 747 748 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) 749 return pos; 750 751 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", 752 (cmd.flags & 753 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0); 754 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", 755 cmd.skip_dtim_periods); 756 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { 757 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", 758 le32_to_cpu(cmd.rx_data_timeout)); 759 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", 760 le32_to_cpu(cmd.tx_data_timeout)); 761 } 762 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) 763 pos += scnprintf(buf+pos, bufsz-pos, 764 "lprx_rssi_threshold = %d\n", 765 cmd.lprx_rssi_threshold); 766 767 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) 768 return pos; 769 770 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n", 771 le32_to_cpu(cmd.rx_data_timeout_uapsd)); 772 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n", 773 le32_to_cpu(cmd.tx_data_timeout_uapsd)); 774 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid); 775 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n", 776 cmd.uapsd_ac_flags); 777 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n", 778 cmd.uapsd_max_sp); 779 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n", 780 cmd.heavy_tx_thld_packets); 781 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n", 782 cmd.heavy_rx_thld_packets); 783 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n", 784 cmd.heavy_tx_thld_percentage); 785 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", 786 cmd.heavy_rx_thld_percentage); 787 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n", 788 (cmd.flags & 789 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ? 790 1 : 0); 791 792 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK))) 793 return pos; 794 795 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n", 796 cmd.snooze_interval); 797 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n", 798 cmd.snooze_window); 799 800 return pos; 801 } 802 803 void 804 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 805 struct iwl_beacon_filter_cmd *cmd) 806 { 807 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 808 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; 809 810 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) 811 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta); 812 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) 813 cmd->bf_roaming_energy_delta = 814 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta); 815 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) 816 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state); 817 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) 818 cmd->bf_temp_threshold = 819 cpu_to_le32(dbgfs_bf->bf_temp_threshold); 820 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) 821 cmd->bf_temp_fast_filter = 822 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter); 823 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) 824 cmd->bf_temp_slow_filter = 825 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter); 826 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) 827 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag); 828 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) 829 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); 830 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) 831 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); 832 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) 833 cmd->ba_enable_beacon_abort = 834 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort); 835 } 836 #endif 837 838 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 839 struct ieee80211_vif *vif, 840 struct iwl_beacon_filter_cmd *cmd, 841 u32 cmd_flags, 842 bool d0i3) 843 { 844 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 845 int ret; 846 847 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period || 848 vif->type != NL80211_IFTYPE_STATION || vif->p2p) 849 return 0; 850 851 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3); 852 if (!d0i3) 853 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); 854 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); 855 856 /* don't change bf_enabled in case of temporary d0i3 configuration */ 857 if (!ret && !d0i3) 858 mvmvif->bf_data.bf_enabled = true; 859 860 return ret; 861 } 862 863 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 864 struct ieee80211_vif *vif, 865 u32 flags) 866 { 867 struct iwl_beacon_filter_cmd cmd = { 868 IWL_BF_CMD_CONFIG_DEFAULTS, 869 .bf_enable_beacon_filter = cpu_to_le32(1), 870 }; 871 872 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false); 873 } 874 875 static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 876 struct ieee80211_vif *vif, 877 u32 flags, bool d0i3) 878 { 879 struct iwl_beacon_filter_cmd cmd = {}; 880 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 881 int ret; 882 883 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) 884 return 0; 885 886 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); 887 888 /* don't change bf_enabled in case of temporary d0i3 configuration */ 889 if (!ret && !d0i3) 890 mvmvif->bf_data.bf_enabled = false; 891 892 return ret; 893 } 894 895 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 896 struct ieee80211_vif *vif, 897 u32 flags) 898 { 899 return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false); 900 } 901 902 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) 903 { 904 bool disable_ps; 905 int ret; 906 907 /* disable PS if CAM */ 908 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM); 909 /* ...or if any of the vifs require PS to be off */ 910 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 911 IEEE80211_IFACE_ITER_NORMAL, 912 iwl_mvm_power_ps_disabled_iterator, 913 &disable_ps); 914 915 /* update device power state if it has changed */ 916 if (mvm->ps_disabled != disable_ps) { 917 bool old_ps_disabled = mvm->ps_disabled; 918 919 mvm->ps_disabled = disable_ps; 920 ret = iwl_mvm_power_update_device(mvm); 921 if (ret) { 922 mvm->ps_disabled = old_ps_disabled; 923 return ret; 924 } 925 } 926 927 return 0; 928 } 929 930 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, 931 struct ieee80211_vif *vif) 932 { 933 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 934 struct iwl_beacon_filter_cmd cmd = { 935 IWL_BF_CMD_CONFIG_DEFAULTS, 936 .bf_enable_beacon_filter = cpu_to_le32(1), 937 }; 938 939 if (!mvmvif->bf_data.bf_enabled) 940 return 0; 941 942 if (mvm->cur_ucode == IWL_UCODE_WOWLAN) 943 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); 944 945 mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled || 946 mvm->ps_disabled || 947 !vif->bss_conf.ps || 948 iwl_mvm_vif_low_latency(mvmvif)); 949 950 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); 951 } 952 953 int iwl_mvm_power_update_ps(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 ret = iwl_mvm_power_set_ps(mvm); 968 if (ret) 969 return ret; 970 971 if (vifs.bss_vif) 972 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif); 973 974 return 0; 975 } 976 977 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) 978 { 979 struct iwl_power_vifs vifs = { 980 .mvm = mvm, 981 }; 982 int ret; 983 984 lockdep_assert_held(&mvm->mutex); 985 986 /* get vifs info */ 987 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 988 IEEE80211_IFACE_ITER_NORMAL, 989 iwl_mvm_power_get_vifs_iterator, &vifs); 990 991 iwl_mvm_power_set_pm(mvm, &vifs); 992 993 ret = iwl_mvm_power_set_ps(mvm); 994 if (ret) 995 return ret; 996 997 if (vifs.bss_vif) { 998 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif); 999 if (ret) 1000 return ret; 1001 } 1002 1003 if (vifs.p2p_vif) { 1004 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif); 1005 if (ret) 1006 return ret; 1007 } 1008 1009 if (vifs.bss_vif) 1010 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif); 1011 1012 return 0; 1013 } 1014 1015 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1016 struct ieee80211_vif *vif, 1017 bool enable, u32 flags) 1018 { 1019 int ret; 1020 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1021 struct iwl_mac_power_cmd cmd = {}; 1022 1023 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) 1024 return 0; 1025 1026 if (!vif->bss_conf.assoc) 1027 return 0; 1028 1029 iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable); 1030 1031 iwl_mvm_power_log(mvm, &cmd); 1032 #ifdef CONFIG_IWLWIFI_DEBUGFS 1033 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); 1034 #endif 1035 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, 1036 sizeof(cmd), &cmd); 1037 if (ret) 1038 return ret; 1039 1040 /* configure beacon filtering */ 1041 if (mvmvif != mvm->bf_allowed_vif) 1042 return 0; 1043 1044 if (enable) { 1045 struct iwl_beacon_filter_cmd cmd_bf = { 1046 IWL_BF_CMD_CONFIG_D0I3, 1047 .bf_enable_beacon_filter = cpu_to_le32(1), 1048 }; 1049 /* 1050 * When beacon storing is supported - disable beacon filtering 1051 * altogether - the latest beacon will be sent when exiting d0i3 1052 */ 1053 if (fw_has_capa(&mvm->fw->ucode_capa, 1054 IWL_UCODE_TLV_CAPA_BEACON_STORING)) 1055 ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags, 1056 true); 1057 else 1058 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, 1059 flags, true); 1060 } else { 1061 if (mvmvif->bf_data.bf_enabled) 1062 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); 1063 else 1064 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags); 1065 } 1066 1067 return ret; 1068 } 1069