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 * 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 - 2017 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 #ifdef CONFIG_IWLWIFI_DEBUGFS 178 /* set advanced pm flag with no uapsd ACs to enable ps-poll */ 179 if (mvmvif->dbgfs_pm.use_ps_poll) { 180 cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); 181 return; 182 } 183 #endif 184 185 for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { 186 if (!mvmvif->queue_params[ac].uapsd) 187 continue; 188 189 if (mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN) 190 cmd->flags |= 191 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); 192 193 cmd->uapsd_ac_flags |= BIT(ac); 194 195 /* QNDP TID - the highest TID with no admission control */ 196 if (!tid_found && !mvmvif->queue_params[ac].acm) { 197 tid_found = true; 198 switch (ac) { 199 case IEEE80211_AC_VO: 200 cmd->qndp_tid = 6; 201 break; 202 case IEEE80211_AC_VI: 203 cmd->qndp_tid = 5; 204 break; 205 case IEEE80211_AC_BE: 206 cmd->qndp_tid = 0; 207 break; 208 case IEEE80211_AC_BK: 209 cmd->qndp_tid = 1; 210 break; 211 } 212 } 213 } 214 215 cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK); 216 217 if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) | 218 BIT(IEEE80211_AC_VI) | 219 BIT(IEEE80211_AC_BE) | 220 BIT(IEEE80211_AC_BK))) { 221 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); 222 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); 223 cmd->snooze_window = 224 (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ? 225 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : 226 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); 227 } 228 229 cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len; 230 231 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN || cmd->flags & 232 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { 233 cmd->rx_data_timeout_uapsd = 234 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); 235 cmd->tx_data_timeout_uapsd = 236 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); 237 } else { 238 cmd->rx_data_timeout_uapsd = 239 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT); 240 cmd->tx_data_timeout_uapsd = 241 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT); 242 } 243 244 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { 245 cmd->heavy_tx_thld_packets = 246 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS; 247 cmd->heavy_rx_thld_packets = 248 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS; 249 } else { 250 cmd->heavy_tx_thld_packets = 251 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; 252 cmd->heavy_rx_thld_packets = 253 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; 254 } 255 cmd->heavy_tx_thld_percentage = 256 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; 257 cmd->heavy_rx_thld_percentage = 258 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; 259 } 260 261 static void iwl_mvm_p2p_standalone_iterator(void *_data, u8 *mac, 262 struct ieee80211_vif *vif) 263 { 264 bool *is_p2p_standalone = _data; 265 266 switch (ieee80211_vif_type_p2p(vif)) { 267 case NL80211_IFTYPE_P2P_GO: 268 case NL80211_IFTYPE_AP: 269 *is_p2p_standalone = false; 270 break; 271 case NL80211_IFTYPE_STATION: 272 if (vif->bss_conf.assoc) 273 *is_p2p_standalone = false; 274 break; 275 276 default: 277 break; 278 } 279 } 280 281 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, 282 struct ieee80211_vif *vif) 283 { 284 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 285 286 if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, 287 ETH_ALEN)) 288 return false; 289 290 /* 291 * Avoid using uAPSD if P2P client is associated to GO that uses 292 * opportunistic power save. This is due to current FW limitation. 293 */ 294 if (vif->p2p && 295 (vif->bss_conf.p2p_noa_attr.oppps_ctwindow & 296 IEEE80211_P2P_OPPPS_ENABLE_BIT)) 297 return false; 298 299 /* 300 * Avoid using uAPSD if client is in DCM - 301 * low latency issue in Miracast 302 */ 303 if (iwl_mvm_phy_ctx_count(mvm) >= 2) 304 return false; 305 306 if (vif->p2p) { 307 /* Allow U-APSD only if p2p is stand alone */ 308 bool is_p2p_standalone = true; 309 310 if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) 311 return false; 312 313 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 314 IEEE80211_IFACE_ITER_NORMAL, 315 iwl_mvm_p2p_standalone_iterator, 316 &is_p2p_standalone); 317 318 if (!is_p2p_standalone) 319 return false; 320 } 321 322 return true; 323 } 324 325 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) 326 { 327 struct ieee80211_chanctx_conf *chanctx_conf; 328 struct ieee80211_channel *chan; 329 bool radar_detect = false; 330 331 rcu_read_lock(); 332 chanctx_conf = rcu_dereference(vif->chanctx_conf); 333 WARN_ON(!chanctx_conf); 334 if (chanctx_conf) { 335 chan = chanctx_conf->def.chan; 336 radar_detect = chan->flags & IEEE80211_CHAN_RADAR; 337 } 338 rcu_read_unlock(); 339 340 return radar_detect; 341 } 342 343 static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm, 344 struct ieee80211_vif *vif, 345 struct iwl_mac_power_cmd *cmd, 346 bool host_awake) 347 { 348 int dtimper = vif->bss_conf.dtim_period ?: 1; 349 int skip; 350 351 /* disable, in case we're supposed to override */ 352 cmd->skip_dtim_periods = 0; 353 cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); 354 355 if (iwl_mvm_power_is_radar(vif)) 356 return; 357 358 if (dtimper >= 10) 359 return; 360 361 /* TODO: check that multicast wake lock is off */ 362 363 if (host_awake) { 364 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP) 365 return; 366 skip = 2; 367 } else { 368 int dtimper_tu = dtimper * vif->bss_conf.beacon_int; 369 370 if (WARN_ON(!dtimper_tu)) 371 return; 372 /* configure skip over dtim up to 306TU - 314 msec */ 373 skip = max_t(u8, 1, 306 / dtimper_tu); 374 } 375 376 /* the firmware really expects "look at every X DTIMs", so add 1 */ 377 cmd->skip_dtim_periods = 1 + skip; 378 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); 379 } 380 381 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, 382 struct ieee80211_vif *vif, 383 struct iwl_mac_power_cmd *cmd, 384 bool host_awake) 385 { 386 int dtimper, bi; 387 int keep_alive; 388 struct iwl_mvm_vif *mvmvif __maybe_unused = 389 iwl_mvm_vif_from_mac80211(vif); 390 391 cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 392 mvmvif->color)); 393 dtimper = vif->bss_conf.dtim_period; 394 bi = vif->bss_conf.beacon_int; 395 396 /* 397 * Regardless of power management state the driver must set 398 * keep alive period. FW will use it for sending keep alive NDPs 399 * immediately after association. Check that keep alive period 400 * is at least 3 * DTIM 401 */ 402 keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi), 403 USEC_PER_SEC); 404 keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC); 405 cmd->keep_alive_seconds = cpu_to_le16(keep_alive); 406 407 if (mvm->ps_disabled) 408 return; 409 410 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); 411 412 if (!vif->bss_conf.ps || !mvmvif->pm_enabled) 413 return; 414 415 if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && 416 (!fw_has_capa(&mvm->fw->ucode_capa, 417 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) || 418 !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE)) 419 return; 420 421 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); 422 423 if (vif->bss_conf.beacon_rate && 424 (vif->bss_conf.beacon_rate->bitrate == 10 || 425 vif->bss_conf.beacon_rate->bitrate == 60)) { 426 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); 427 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; 428 } 429 430 iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake); 431 432 if (!host_awake) { 433 cmd->rx_data_timeout = 434 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); 435 cmd->tx_data_timeout = 436 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); 437 } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && 438 fw_has_capa(&mvm->fw->ucode_capa, 439 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) { 440 cmd->tx_data_timeout = 441 cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT); 442 cmd->rx_data_timeout = 443 cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT); 444 } else { 445 cmd->rx_data_timeout = 446 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); 447 cmd->tx_data_timeout = 448 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); 449 } 450 451 if (iwl_mvm_power_allow_uapsd(mvm, vif)) 452 iwl_mvm_power_configure_uapsd(mvm, vif, cmd); 453 454 #ifdef CONFIG_IWLWIFI_DEBUGFS 455 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) 456 cmd->keep_alive_seconds = 457 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds); 458 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) { 459 if (mvmvif->dbgfs_pm.skip_over_dtim) 460 cmd->flags |= 461 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); 462 else 463 cmd->flags &= 464 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK); 465 } 466 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) 467 cmd->rx_data_timeout = 468 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout); 469 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) 470 cmd->tx_data_timeout = 471 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout); 472 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) 473 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods; 474 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) { 475 if (mvmvif->dbgfs_pm.lprx_ena) 476 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); 477 else 478 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK); 479 } 480 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD) 481 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold; 482 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) { 483 if (mvmvif->dbgfs_pm.snooze_ena) 484 cmd->flags |= 485 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); 486 else 487 cmd->flags &= 488 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK); 489 } 490 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) { 491 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK; 492 if (mvmvif->dbgfs_pm.uapsd_misbehaving) 493 cmd->flags |= cpu_to_le16(flag); 494 else 495 cmd->flags &= cpu_to_le16(flag); 496 } 497 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 498 } 499 500 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, 501 struct ieee80211_vif *vif) 502 { 503 struct iwl_mac_power_cmd cmd = {}; 504 505 iwl_mvm_power_build_cmd(mvm, vif, &cmd, 506 mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN); 507 iwl_mvm_power_log(mvm, &cmd); 508 #ifdef CONFIG_IWLWIFI_DEBUGFS 509 memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd)); 510 #endif 511 512 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0, 513 sizeof(cmd), &cmd); 514 } 515 516 int iwl_mvm_power_update_device(struct iwl_mvm *mvm) 517 { 518 struct iwl_device_power_cmd cmd = { 519 .flags = 0, 520 }; 521 522 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) 523 mvm->ps_disabled = true; 524 525 if (!mvm->ps_disabled) 526 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); 527 528 #ifdef CONFIG_IWLWIFI_DEBUGFS 529 if ((mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ? 530 mvm->disable_power_off_d3 : mvm->disable_power_off) 531 cmd.flags &= 532 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); 533 #endif 534 IWL_DEBUG_POWER(mvm, 535 "Sending device power command with flags = 0x%X\n", 536 cmd.flags); 537 538 return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd), 539 &cmd); 540 } 541 542 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 543 { 544 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 545 546 if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid, 547 ETH_ALEN)) 548 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid); 549 } 550 551 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, 552 struct ieee80211_vif *vif) 553 { 554 u8 *ap_sta_id = _data; 555 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 556 557 /* The ap_sta_id is not expected to change during current association 558 * so no explicit protection is needed 559 */ 560 if (mvmvif->ap_sta_id == *ap_sta_id) 561 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, 562 ETH_ALEN); 563 } 564 565 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 566 struct iwl_rx_cmd_buffer *rxb) 567 { 568 struct iwl_rx_packet *pkt = rxb_addr(rxb); 569 struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; 570 u8 ap_sta_id = le32_to_cpu(notif->sta_id); 571 572 ieee80211_iterate_active_interfaces_atomic( 573 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 574 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); 575 } 576 577 struct iwl_power_vifs { 578 struct iwl_mvm *mvm; 579 struct ieee80211_vif *bss_vif; 580 struct ieee80211_vif *p2p_vif; 581 struct ieee80211_vif *ap_vif; 582 struct ieee80211_vif *monitor_vif; 583 bool p2p_active; 584 bool bss_active; 585 bool ap_active; 586 bool monitor_active; 587 }; 588 589 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac, 590 struct ieee80211_vif *vif) 591 { 592 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 593 594 mvmvif->pm_enabled = false; 595 } 596 597 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac, 598 struct ieee80211_vif *vif) 599 { 600 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 601 bool *disable_ps = _data; 602 603 if (mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX) 604 *disable_ps |= mvmvif->ps_disabled; 605 } 606 607 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac, 608 struct ieee80211_vif *vif) 609 { 610 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 611 struct iwl_power_vifs *power_iterator = _data; 612 bool active = mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX; 613 614 switch (ieee80211_vif_type_p2p(vif)) { 615 case NL80211_IFTYPE_P2P_DEVICE: 616 break; 617 618 case NL80211_IFTYPE_P2P_GO: 619 case NL80211_IFTYPE_AP: 620 /* only a single MAC of the same type */ 621 WARN_ON(power_iterator->ap_vif); 622 power_iterator->ap_vif = vif; 623 if (active) 624 power_iterator->ap_active = true; 625 break; 626 627 case NL80211_IFTYPE_MONITOR: 628 /* only a single MAC of the same type */ 629 WARN_ON(power_iterator->monitor_vif); 630 power_iterator->monitor_vif = vif; 631 if (active) 632 power_iterator->monitor_active = true; 633 break; 634 635 case NL80211_IFTYPE_P2P_CLIENT: 636 /* only a single MAC of the same type */ 637 WARN_ON(power_iterator->p2p_vif); 638 power_iterator->p2p_vif = vif; 639 if (active) 640 power_iterator->p2p_active = true; 641 break; 642 643 case NL80211_IFTYPE_STATION: 644 power_iterator->bss_vif = vif; 645 if (active) 646 power_iterator->bss_active = true; 647 break; 648 649 default: 650 break; 651 } 652 } 653 654 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm, 655 struct iwl_power_vifs *vifs) 656 { 657 struct iwl_mvm_vif *bss_mvmvif = NULL; 658 struct iwl_mvm_vif *p2p_mvmvif = NULL; 659 struct iwl_mvm_vif *ap_mvmvif = NULL; 660 bool client_same_channel = false; 661 bool ap_same_channel = false; 662 663 lockdep_assert_held(&mvm->mutex); 664 665 /* set pm_enable to false */ 666 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 667 IEEE80211_IFACE_ITER_NORMAL, 668 iwl_mvm_power_disable_pm_iterator, 669 NULL); 670 671 if (vifs->bss_vif) 672 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif); 673 674 if (vifs->p2p_vif) 675 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif); 676 677 if (vifs->ap_vif) 678 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif); 679 680 /* don't allow PM if any TDLS stations exist */ 681 if (iwl_mvm_tdls_sta_count(mvm, NULL)) 682 return; 683 684 /* enable PM on bss if bss stand alone */ 685 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) { 686 bss_mvmvif->pm_enabled = true; 687 return; 688 } 689 690 /* enable PM on p2p if p2p stand alone */ 691 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) { 692 p2p_mvmvif->pm_enabled = true; 693 return; 694 } 695 696 if (vifs->bss_active && vifs->p2p_active) 697 client_same_channel = (bss_mvmvif->phy_ctxt->id == 698 p2p_mvmvif->phy_ctxt->id); 699 if (vifs->bss_active && vifs->ap_active) 700 ap_same_channel = (bss_mvmvif->phy_ctxt->id == 701 ap_mvmvif->phy_ctxt->id); 702 703 /* clients are not stand alone: enable PM if DCM */ 704 if (!(client_same_channel || ap_same_channel)) { 705 if (vifs->bss_active) 706 bss_mvmvif->pm_enabled = true; 707 if (vifs->p2p_active) 708 p2p_mvmvif->pm_enabled = true; 709 return; 710 } 711 712 /* 713 * There is only one channel in the system and there are only 714 * bss and p2p clients that share it 715 */ 716 if (client_same_channel && !vifs->ap_active) { 717 /* share same channel*/ 718 bss_mvmvif->pm_enabled = true; 719 p2p_mvmvif->pm_enabled = true; 720 } 721 } 722 723 #ifdef CONFIG_IWLWIFI_DEBUGFS 724 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, 725 struct ieee80211_vif *vif, char *buf, 726 int bufsz) 727 { 728 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 729 struct iwl_mac_power_cmd cmd = {}; 730 int pos = 0; 731 732 mutex_lock(&mvm->mutex); 733 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd)); 734 mutex_unlock(&mvm->mutex); 735 736 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", 737 iwlmvm_mod_params.power_scheme); 738 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n", 739 le16_to_cpu(cmd.flags)); 740 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", 741 le16_to_cpu(cmd.keep_alive_seconds)); 742 743 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) 744 return pos; 745 746 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", 747 (cmd.flags & 748 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0); 749 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", 750 cmd.skip_dtim_periods); 751 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { 752 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", 753 le32_to_cpu(cmd.rx_data_timeout)); 754 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", 755 le32_to_cpu(cmd.tx_data_timeout)); 756 } 757 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) 758 pos += scnprintf(buf+pos, bufsz-pos, 759 "lprx_rssi_threshold = %d\n", 760 cmd.lprx_rssi_threshold); 761 762 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) 763 return pos; 764 765 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n", 766 le32_to_cpu(cmd.rx_data_timeout_uapsd)); 767 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n", 768 le32_to_cpu(cmd.tx_data_timeout_uapsd)); 769 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid); 770 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n", 771 cmd.uapsd_ac_flags); 772 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n", 773 cmd.uapsd_max_sp); 774 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n", 775 cmd.heavy_tx_thld_packets); 776 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n", 777 cmd.heavy_rx_thld_packets); 778 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n", 779 cmd.heavy_tx_thld_percentage); 780 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", 781 cmd.heavy_rx_thld_percentage); 782 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n", 783 (cmd.flags & 784 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ? 785 1 : 0); 786 787 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK))) 788 return pos; 789 790 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n", 791 cmd.snooze_interval); 792 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n", 793 cmd.snooze_window); 794 795 return pos; 796 } 797 798 void 799 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 800 struct iwl_beacon_filter_cmd *cmd) 801 { 802 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 803 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; 804 805 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) 806 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta); 807 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) 808 cmd->bf_roaming_energy_delta = 809 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta); 810 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) 811 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state); 812 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) 813 cmd->bf_temp_threshold = 814 cpu_to_le32(dbgfs_bf->bf_temp_threshold); 815 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) 816 cmd->bf_temp_fast_filter = 817 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter); 818 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) 819 cmd->bf_temp_slow_filter = 820 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter); 821 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) 822 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag); 823 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) 824 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); 825 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) 826 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); 827 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) 828 cmd->ba_enable_beacon_abort = 829 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort); 830 } 831 #endif 832 833 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 834 struct ieee80211_vif *vif, 835 struct iwl_beacon_filter_cmd *cmd, 836 u32 cmd_flags, 837 bool d0i3) 838 { 839 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 840 int ret; 841 842 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period || 843 vif->type != NL80211_IFTYPE_STATION || vif->p2p) 844 return 0; 845 846 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3); 847 if (!d0i3) 848 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); 849 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); 850 851 /* don't change bf_enabled in case of temporary d0i3 configuration */ 852 if (!ret && !d0i3) 853 mvmvif->bf_data.bf_enabled = true; 854 855 return ret; 856 } 857 858 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 859 struct ieee80211_vif *vif, 860 u32 flags) 861 { 862 struct iwl_beacon_filter_cmd cmd = { 863 IWL_BF_CMD_CONFIG_DEFAULTS, 864 .bf_enable_beacon_filter = cpu_to_le32(1), 865 }; 866 867 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false); 868 } 869 870 static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 871 struct ieee80211_vif *vif, 872 u32 flags, bool d0i3) 873 { 874 struct iwl_beacon_filter_cmd cmd = {}; 875 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 876 int ret; 877 878 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) 879 return 0; 880 881 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); 882 883 /* don't change bf_enabled in case of temporary d0i3 configuration */ 884 if (!ret && !d0i3) 885 mvmvif->bf_data.bf_enabled = false; 886 887 return ret; 888 } 889 890 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 891 struct ieee80211_vif *vif, 892 u32 flags) 893 { 894 return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false); 895 } 896 897 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) 898 { 899 bool disable_ps; 900 int ret; 901 902 /* disable PS if CAM */ 903 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM); 904 /* ...or if any of the vifs require PS to be off */ 905 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 906 IEEE80211_IFACE_ITER_NORMAL, 907 iwl_mvm_power_ps_disabled_iterator, 908 &disable_ps); 909 910 /* update device power state if it has changed */ 911 if (mvm->ps_disabled != disable_ps) { 912 bool old_ps_disabled = mvm->ps_disabled; 913 914 mvm->ps_disabled = disable_ps; 915 ret = iwl_mvm_power_update_device(mvm); 916 if (ret) { 917 mvm->ps_disabled = old_ps_disabled; 918 return ret; 919 } 920 } 921 922 return 0; 923 } 924 925 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, 926 struct ieee80211_vif *vif) 927 { 928 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 929 struct iwl_beacon_filter_cmd cmd = { 930 IWL_BF_CMD_CONFIG_DEFAULTS, 931 .bf_enable_beacon_filter = cpu_to_le32(1), 932 }; 933 934 if (!mvmvif->bf_data.bf_enabled) 935 return 0; 936 937 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) 938 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); 939 940 mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled || 941 mvm->ps_disabled || 942 !vif->bss_conf.ps || 943 iwl_mvm_vif_low_latency(mvmvif)); 944 945 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); 946 } 947 948 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm) 949 { 950 struct iwl_power_vifs vifs = { 951 .mvm = mvm, 952 }; 953 int ret; 954 955 lockdep_assert_held(&mvm->mutex); 956 957 /* get vifs info */ 958 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 959 IEEE80211_IFACE_ITER_NORMAL, 960 iwl_mvm_power_get_vifs_iterator, &vifs); 961 962 ret = iwl_mvm_power_set_ps(mvm); 963 if (ret) 964 return ret; 965 966 if (vifs.bss_vif) 967 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif); 968 969 return 0; 970 } 971 972 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) 973 { 974 struct iwl_power_vifs vifs = { 975 .mvm = mvm, 976 }; 977 int ret; 978 979 lockdep_assert_held(&mvm->mutex); 980 981 /* get vifs info */ 982 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 983 IEEE80211_IFACE_ITER_NORMAL, 984 iwl_mvm_power_get_vifs_iterator, &vifs); 985 986 iwl_mvm_power_set_pm(mvm, &vifs); 987 988 ret = iwl_mvm_power_set_ps(mvm); 989 if (ret) 990 return ret; 991 992 if (vifs.bss_vif) { 993 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif); 994 if (ret) 995 return ret; 996 } 997 998 if (vifs.p2p_vif) { 999 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif); 1000 if (ret) 1001 return ret; 1002 } 1003 1004 if (vifs.bss_vif) 1005 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif); 1006 1007 return 0; 1008 } 1009 1010 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1011 struct ieee80211_vif *vif, 1012 bool enable, u32 flags) 1013 { 1014 int ret; 1015 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1016 struct iwl_mac_power_cmd cmd = {}; 1017 1018 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) 1019 return 0; 1020 1021 if (!vif->bss_conf.assoc) 1022 return 0; 1023 1024 iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable); 1025 1026 iwl_mvm_power_log(mvm, &cmd); 1027 #ifdef CONFIG_IWLWIFI_DEBUGFS 1028 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); 1029 #endif 1030 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, 1031 sizeof(cmd), &cmd); 1032 if (ret) 1033 return ret; 1034 1035 /* configure beacon filtering */ 1036 if (mvmvif != mvm->bf_allowed_vif) 1037 return 0; 1038 1039 if (enable) { 1040 struct iwl_beacon_filter_cmd cmd_bf = { 1041 IWL_BF_CMD_CONFIG_D0I3, 1042 .bf_enable_beacon_filter = cpu_to_le32(1), 1043 }; 1044 /* 1045 * When beacon storing is supported - disable beacon filtering 1046 * altogether - the latest beacon will be sent when exiting d0i3 1047 */ 1048 if (fw_has_capa(&mvm->fw->ucode_capa, 1049 IWL_UCODE_TLV_CAPA_BEACON_STORING)) 1050 ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags, 1051 true); 1052 else 1053 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, 1054 flags, true); 1055 } else { 1056 if (mvmvif->bf_data.bf_enabled) 1057 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); 1058 else 1059 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags); 1060 } 1061 1062 return ret; 1063 } 1064