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