diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/power.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/power.c | 1040 |
1 files changed, 0 insertions, 1040 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c deleted file mode 100644 index bed9696ee410..000000000000 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ /dev/null @@ -1,1040 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 Intel Deutschland GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 Intel Deutschland GmbH - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/etherdevice.h> - -#include <net/mac80211.h> - -#include "iwl-debug.h" -#include "mvm.h" -#include "iwl-modparams.h" -#include "fw-api-power.h" - -#define POWER_KEEP_ALIVE_PERIOD_SEC 25 - -static -int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, - struct iwl_beacon_filter_cmd *cmd, - u32 flags) -{ - IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n", - le32_to_cpu(cmd->ba_enable_beacon_abort)); - IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n", - le32_to_cpu(cmd->ba_escape_timer)); - IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n", - le32_to_cpu(cmd->bf_debug_flag)); - IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n", - le32_to_cpu(cmd->bf_enable_beacon_filter)); - IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n", - le32_to_cpu(cmd->bf_energy_delta)); - IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n", - le32_to_cpu(cmd->bf_escape_timer)); - IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n", - le32_to_cpu(cmd->bf_roaming_energy_delta)); - IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n", - le32_to_cpu(cmd->bf_roaming_state)); - IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n", - le32_to_cpu(cmd->bf_temp_threshold)); - IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n", - le32_to_cpu(cmd->bf_temp_fast_filter)); - IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n", - le32_to_cpu(cmd->bf_temp_slow_filter)); - - return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags, - sizeof(struct iwl_beacon_filter_cmd), cmd); -} - -static -void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_beacon_filter_cmd *cmd, - bool d0i3) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - if (vif->bss_conf.cqm_rssi_thold && !d0i3) { - cmd->bf_energy_delta = - cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); - /* fw uses an absolute value for this */ - cmd->bf_roaming_state = - cpu_to_le32(-vif->bss_conf.cqm_rssi_thold); - } - cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled); -} - -static void iwl_mvm_power_log(struct iwl_mvm *mvm, - struct iwl_mac_power_cmd *cmd) -{ - IWL_DEBUG_POWER(mvm, - "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n", - cmd->id_and_color, iwlmvm_mod_params.power_scheme, - le16_to_cpu(cmd->flags)); - IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", - le16_to_cpu(cmd->keep_alive_seconds)); - - if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) { - IWL_DEBUG_POWER(mvm, "Disable power management\n"); - return; - } - - IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n", - le32_to_cpu(cmd->rx_data_timeout)); - IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", - le32_to_cpu(cmd->tx_data_timeout)); - if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) - IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n", - cmd->skip_dtim_periods); - if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) - IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", - cmd->lprx_rssi_threshold); - if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { - IWL_DEBUG_POWER(mvm, "uAPSD enabled\n"); - IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n", - le32_to_cpu(cmd->rx_data_timeout_uapsd)); - IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n", - le32_to_cpu(cmd->tx_data_timeout_uapsd)); - IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid); - IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags); - IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp); - } -} - -static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_mac_power_cmd *cmd) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - enum ieee80211_ac_numbers ac; - bool tid_found = false; - - for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { - if (!mvmvif->queue_params[ac].uapsd) - continue; - - if (mvm->cur_ucode != IWL_UCODE_WOWLAN) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); - - cmd->uapsd_ac_flags |= BIT(ac); - - /* QNDP TID - the highest TID with no admission control */ - if (!tid_found && !mvmvif->queue_params[ac].acm) { - tid_found = true; - switch (ac) { - case IEEE80211_AC_VO: - cmd->qndp_tid = 6; - break; - case IEEE80211_AC_VI: - cmd->qndp_tid = 5; - break; - case IEEE80211_AC_BE: - cmd->qndp_tid = 0; - break; - case IEEE80211_AC_BK: - cmd->qndp_tid = 1; - break; - } - } - } - - if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { -#ifdef CONFIG_IWLWIFI_DEBUGFS - /* set advanced pm flag with no uapsd ACs to enable ps-poll */ - if (mvmvif->dbgfs_pm.use_ps_poll) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); -#endif - return; - } - - cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK); - - if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) | - BIT(IEEE80211_AC_VI) | - BIT(IEEE80211_AC_BE) | - BIT(IEEE80211_AC_BK))) { - cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); - cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); - cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ? - cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : - cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); - } - - cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP; - - if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags & - cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { - cmd->rx_data_timeout_uapsd = - cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); - cmd->tx_data_timeout_uapsd = - cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); - } else { - cmd->rx_data_timeout_uapsd = - cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT); - cmd->tx_data_timeout_uapsd = - cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT); - } - - if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { - cmd->heavy_tx_thld_packets = - IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS; - cmd->heavy_rx_thld_packets = - IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS; - } else { - cmd->heavy_tx_thld_packets = - IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; - cmd->heavy_rx_thld_packets = - IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; - } - cmd->heavy_tx_thld_percentage = - IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; - cmd->heavy_rx_thld_percentage = - IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; -} - -static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, - ETH_ALEN)) - return false; - - if (vif->p2p && - !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD)) - return false; - /* - * Avoid using uAPSD if P2P client is associated to GO that uses - * opportunistic power save. This is due to current FW limitation. - */ - if (vif->p2p && - (vif->bss_conf.p2p_noa_attr.oppps_ctwindow & - IEEE80211_P2P_OPPPS_ENABLE_BIT)) - return false; - - /* - * Avoid using uAPSD if client is in DCM - - * low latency issue in Miracast - */ - if (iwl_mvm_phy_ctx_count(mvm) >= 2) - return false; - - return true; -} - -static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) -{ - struct ieee80211_chanctx_conf *chanctx_conf; - struct ieee80211_channel *chan; - bool radar_detect = false; - - rcu_read_lock(); - chanctx_conf = rcu_dereference(vif->chanctx_conf); - WARN_ON(!chanctx_conf); - if (chanctx_conf) { - chan = chanctx_conf->def.chan; - radar_detect = chan->flags & IEEE80211_CHAN_RADAR; - } - rcu_read_unlock(); - - return radar_detect; -} - -static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_mac_power_cmd *cmd, - bool host_awake) -{ - int dtimper = vif->bss_conf.dtim_period ?: 1; - int skip; - - /* disable, in case we're supposed to override */ - cmd->skip_dtim_periods = 0; - cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); - - if (iwl_mvm_power_is_radar(vif)) - return; - - if (dtimper >= 10) - return; - - /* TODO: check that multicast wake lock is off */ - - if (host_awake) { - if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP) - return; - skip = 2; - } else { - int dtimper_tu = dtimper * vif->bss_conf.beacon_int; - - if (WARN_ON(!dtimper_tu)) - return; - /* configure skip over dtim up to 306TU - 314 msec */ - skip = max_t(u8, 1, 306 / dtimper_tu); - } - - /* the firmware really expects "look at every X DTIMs", so add 1 */ - cmd->skip_dtim_periods = 1 + skip; - cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); -} - -static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_mac_power_cmd *cmd, - bool host_awake) -{ - int dtimper, bi; - int keep_alive; - struct iwl_mvm_vif *mvmvif __maybe_unused = - iwl_mvm_vif_from_mac80211(vif); - - cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, - mvmvif->color)); - dtimper = vif->bss_conf.dtim_period; - bi = vif->bss_conf.beacon_int; - - /* - * Regardless of power management state the driver must set - * keep alive period. FW will use it for sending keep alive NDPs - * immediately after association. Check that keep alive period - * is at least 3 * DTIM - */ - keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi), - USEC_PER_SEC); - keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC); - cmd->keep_alive_seconds = cpu_to_le16(keep_alive); - - if (mvm->ps_disabled) - return; - - cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); - - if (!vif->bss_conf.ps || !mvmvif->pm_enabled) - return; - - if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && - (!fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) || - !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE)) - return; - - cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); - - if (vif->bss_conf.beacon_rate && - (vif->bss_conf.beacon_rate->bitrate == 10 || - vif->bss_conf.beacon_rate->bitrate == 60)) { - cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); - cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; - } - - iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake); - - if (!host_awake) { - cmd->rx_data_timeout = - cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); - cmd->tx_data_timeout = - cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); - } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && - fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) { - cmd->tx_data_timeout = - cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT); - cmd->rx_data_timeout = - cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT); - } else { - cmd->rx_data_timeout = - cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); - cmd->tx_data_timeout = - cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); - } - - if (iwl_mvm_power_allow_uapsd(mvm, vif)) - iwl_mvm_power_configure_uapsd(mvm, vif, cmd); - -#ifdef CONFIG_IWLWIFI_DEBUGFS - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) - cmd->keep_alive_seconds = - cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds); - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) { - if (mvmvif->dbgfs_pm.skip_over_dtim) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); - else - cmd->flags &= - cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK); - } - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) - cmd->rx_data_timeout = - cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout); - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) - cmd->tx_data_timeout = - cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout); - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) - cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods; - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) { - if (mvmvif->dbgfs_pm.lprx_ena) - cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); - else - cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK); - } - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD) - cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold; - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) { - if (mvmvif->dbgfs_pm.snooze_ena) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); - else - cmd->flags &= - cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK); - } - if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) { - u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK; - if (mvmvif->dbgfs_pm.uapsd_misbehaving) - cmd->flags |= cpu_to_le16(flag); - else - cmd->flags &= cpu_to_le16(flag); - } -#endif /* CONFIG_IWLWIFI_DEBUGFS */ -} - -static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) -{ - struct iwl_mac_power_cmd cmd = {}; - - iwl_mvm_power_build_cmd(mvm, vif, &cmd, - mvm->cur_ucode != IWL_UCODE_WOWLAN); - iwl_mvm_power_log(mvm, &cmd); -#ifdef CONFIG_IWLWIFI_DEBUGFS - memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd)); -#endif - - return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0, - sizeof(cmd), &cmd); -} - -int iwl_mvm_power_update_device(struct iwl_mvm *mvm) -{ - struct iwl_device_power_cmd cmd = { - .flags = 0, - }; - - if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) - mvm->ps_disabled = true; - - if (!mvm->ps_disabled) - cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); - -#ifdef CONFIG_IWLWIFI_DEBUGFS - if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 : - mvm->disable_power_off) - cmd.flags &= - cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); -#endif - IWL_DEBUG_POWER(mvm, - "Sending device power command with flags = 0x%X\n", - cmd.flags); - - return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd), - &cmd); -} - -void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid, - ETH_ALEN)) - eth_zero_addr(mvmvif->uapsd_misbehaving_bssid); -} - -static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - u8 *ap_sta_id = _data; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - /* The ap_sta_id is not expected to change during current association - * so no explicit protection is needed - */ - if (mvmvif->ap_sta_id == *ap_sta_id) - memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, - ETH_ALEN); -} - -void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb) -{ - struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; - u8 ap_sta_id = le32_to_cpu(notif->sta_id); - - ieee80211_iterate_active_interfaces_atomic( - mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); -} - -struct iwl_power_vifs { - struct iwl_mvm *mvm; - struct ieee80211_vif *bf_vif; - struct ieee80211_vif *bss_vif; - struct ieee80211_vif *p2p_vif; - struct ieee80211_vif *ap_vif; - struct ieee80211_vif *monitor_vif; - bool p2p_active; - bool bss_active; - bool ap_active; - bool monitor_active; -}; - -static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - mvmvif->pm_enabled = false; -} - -static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - bool *disable_ps = _data; - - if (mvmvif->phy_ctxt) - if (mvmvif->phy_ctxt->id < MAX_PHYS) - *disable_ps |= mvmvif->ps_disabled; -} - -static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_power_vifs *power_iterator = _data; - - switch (ieee80211_vif_type_p2p(vif)) { - case NL80211_IFTYPE_P2P_DEVICE: - break; - - case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_AP: - /* only a single MAC of the same type */ - WARN_ON(power_iterator->ap_vif); - power_iterator->ap_vif = vif; - if (mvmvif->phy_ctxt) - if (mvmvif->phy_ctxt->id < MAX_PHYS) - power_iterator->ap_active = true; - break; - - case NL80211_IFTYPE_MONITOR: - /* only a single MAC of the same type */ - WARN_ON(power_iterator->monitor_vif); - power_iterator->monitor_vif = vif; - if (mvmvif->phy_ctxt) - if (mvmvif->phy_ctxt->id < MAX_PHYS) - power_iterator->monitor_active = true; - break; - - case NL80211_IFTYPE_P2P_CLIENT: - /* only a single MAC of the same type */ - WARN_ON(power_iterator->p2p_vif); - power_iterator->p2p_vif = vif; - if (mvmvif->phy_ctxt) - if (mvmvif->phy_ctxt->id < MAX_PHYS) - power_iterator->p2p_active = true; - break; - - case NL80211_IFTYPE_STATION: - /* only a single MAC of the same type */ - WARN_ON(power_iterator->bss_vif); - power_iterator->bss_vif = vif; - if (mvmvif->phy_ctxt) - if (mvmvif->phy_ctxt->id < MAX_PHYS) - power_iterator->bss_active = true; - - if (mvmvif->bf_data.bf_enabled && - !WARN_ON(power_iterator->bf_vif)) - power_iterator->bf_vif = vif; - - break; - - default: - break; - } -} - -static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm, - struct iwl_power_vifs *vifs) -{ - struct iwl_mvm_vif *bss_mvmvif = NULL; - struct iwl_mvm_vif *p2p_mvmvif = NULL; - struct iwl_mvm_vif *ap_mvmvif = NULL; - bool client_same_channel = false; - bool ap_same_channel = false; - - lockdep_assert_held(&mvm->mutex); - - /* set pm_enable to false */ - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_power_disable_pm_iterator, - NULL); - - if (vifs->bss_vif) - bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif); - - if (vifs->p2p_vif) - p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif); - - if (vifs->ap_vif) - ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif); - - /* don't allow PM if any TDLS stations exist */ - if (iwl_mvm_tdls_sta_count(mvm, NULL)) - return; - - /* enable PM on bss if bss stand alone */ - if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) { - bss_mvmvif->pm_enabled = true; - return; - } - - /* enable PM on p2p if p2p stand alone */ - if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) { - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM) - p2p_mvmvif->pm_enabled = true; - return; - } - - if (vifs->bss_active && vifs->p2p_active) - client_same_channel = (bss_mvmvif->phy_ctxt->id == - p2p_mvmvif->phy_ctxt->id); - if (vifs->bss_active && vifs->ap_active) - ap_same_channel = (bss_mvmvif->phy_ctxt->id == - ap_mvmvif->phy_ctxt->id); - - /* clients are not stand alone: enable PM if DCM */ - if (!(client_same_channel || ap_same_channel) && - (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) { - if (vifs->bss_active) - bss_mvmvif->pm_enabled = true; - if (vifs->p2p_active && - (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)) - p2p_mvmvif->pm_enabled = true; - return; - } - - /* - * There is only one channel in the system and there are only - * bss and p2p clients that share it - */ - if (client_same_channel && !vifs->ap_active && - (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) { - /* share same channel*/ - bss_mvmvif->pm_enabled = true; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM) - p2p_mvmvif->pm_enabled = true; - } -} - -#ifdef CONFIG_IWLWIFI_DEBUGFS -int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, char *buf, - int bufsz) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mac_power_cmd cmd = {}; - int pos = 0; - - mutex_lock(&mvm->mutex); - memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd)); - mutex_unlock(&mvm->mutex); - - pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", - iwlmvm_mod_params.power_scheme); - pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n", - le16_to_cpu(cmd.flags)); - pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", - le16_to_cpu(cmd.keep_alive_seconds)); - - if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) - return pos; - - pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", - (cmd.flags & - cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0); - pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", - cmd.skip_dtim_periods); - if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { - pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", - le32_to_cpu(cmd.rx_data_timeout)); - pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", - le32_to_cpu(cmd.tx_data_timeout)); - } - if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) - pos += scnprintf(buf+pos, bufsz-pos, - "lprx_rssi_threshold = %d\n", - cmd.lprx_rssi_threshold); - - if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) - return pos; - - pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n", - le32_to_cpu(cmd.rx_data_timeout_uapsd)); - pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n", - le32_to_cpu(cmd.tx_data_timeout_uapsd)); - pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid); - pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n", - cmd.uapsd_ac_flags); - pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n", - cmd.uapsd_max_sp); - pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n", - cmd.heavy_tx_thld_packets); - pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n", - cmd.heavy_rx_thld_packets); - pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n", - cmd.heavy_tx_thld_percentage); - pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", - cmd.heavy_rx_thld_percentage); - pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n", - (cmd.flags & - cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ? - 1 : 0); - - if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK))) - return pos; - - pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n", - cmd.snooze_interval); - pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n", - cmd.snooze_window); - - return pos; -} - -void -iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, - struct iwl_beacon_filter_cmd *cmd) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; - - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) - cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta); - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) - cmd->bf_roaming_energy_delta = - cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta); - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) - cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state); - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) - cmd->bf_temp_threshold = - cpu_to_le32(dbgfs_bf->bf_temp_threshold); - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) - cmd->bf_temp_fast_filter = - cpu_to_le32(dbgfs_bf->bf_temp_fast_filter); - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) - cmd->bf_temp_slow_filter = - cpu_to_le32(dbgfs_bf->bf_temp_slow_filter); - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) - cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag); - if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) - cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); - if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) - cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); - if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) - cmd->ba_enable_beacon_abort = - cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort); -} -#endif - -static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_beacon_filter_cmd *cmd, - u32 cmd_flags, - bool d0i3) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - int ret; - - if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period || - vif->type != NL80211_IFTYPE_STATION || vif->p2p) - return 0; - - iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3); - if (!d0i3) - iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); - ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); - - /* don't change bf_enabled in case of temporary d0i3 configuration */ - if (!ret && !d0i3) - mvmvif->bf_data.bf_enabled = true; - - return ret; -} - -int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags) -{ - struct iwl_beacon_filter_cmd cmd = { - IWL_BF_CMD_CONFIG_DEFAULTS, - .bf_enable_beacon_filter = cpu_to_le32(1), - }; - - return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false); -} - -static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool enable) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_beacon_filter_cmd cmd = { - IWL_BF_CMD_CONFIG_DEFAULTS, - .bf_enable_beacon_filter = cpu_to_le32(1), - }; - - if (!mvmvif->bf_data.bf_enabled) - return 0; - - if (mvm->cur_ucode == IWL_UCODE_WOWLAN) - cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); - - mvmvif->bf_data.ba_enabled = enable; - return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); -} - -int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags) -{ - struct iwl_beacon_filter_cmd cmd = {}; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - int ret; - - if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) - return 0; - - ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); - - if (!ret) - mvmvif->bf_data.bf_enabled = false; - - return ret; -} - -static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) -{ - bool disable_ps; - int ret; - - /* disable PS if CAM */ - disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM); - /* ...or if any of the vifs require PS to be off */ - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_power_ps_disabled_iterator, - &disable_ps); - - /* update device power state if it has changed */ - if (mvm->ps_disabled != disable_ps) { - bool old_ps_disabled = mvm->ps_disabled; - - mvm->ps_disabled = disable_ps; - ret = iwl_mvm_power_update_device(mvm); - if (ret) { - mvm->ps_disabled = old_ps_disabled; - return ret; - } - } - - return 0; -} - -static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, - struct iwl_power_vifs *vifs) -{ - struct iwl_mvm_vif *mvmvif; - bool ba_enable; - - if (!vifs->bf_vif) - return 0; - - mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif); - - ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled || - !vifs->bf_vif->bss_conf.ps || - iwl_mvm_vif_low_latency(mvmvif)); - - return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable); -} - -int iwl_mvm_power_update_ps(struct iwl_mvm *mvm) -{ - struct iwl_power_vifs vifs = { - .mvm = mvm, - }; - int ret; - - lockdep_assert_held(&mvm->mutex); - - /* get vifs info */ - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_power_get_vifs_iterator, &vifs); - - ret = iwl_mvm_power_set_ps(mvm); - if (ret) - return ret; - - return iwl_mvm_power_set_ba(mvm, &vifs); -} - -int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) -{ - struct iwl_power_vifs vifs = { - .mvm = mvm, - }; - int ret; - - lockdep_assert_held(&mvm->mutex); - - /* get vifs info */ - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_power_get_vifs_iterator, &vifs); - - iwl_mvm_power_set_pm(mvm, &vifs); - - ret = iwl_mvm_power_set_ps(mvm); - if (ret) - return ret; - - if (vifs.bss_vif) { - ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif); - if (ret) - return ret; - } - - if (vifs.p2p_vif) { - ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif); - if (ret) - return ret; - } - - return iwl_mvm_power_set_ba(mvm, &vifs); -} - -int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool enable, u32 flags) -{ - int ret; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mac_power_cmd cmd = {}; - - if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) - return 0; - - if (!vif->bss_conf.assoc) - return 0; - - iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable); - - iwl_mvm_power_log(mvm, &cmd); -#ifdef CONFIG_IWLWIFI_DEBUGFS - memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); -#endif - ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, - sizeof(cmd), &cmd); - if (ret) - return ret; - - /* configure beacon filtering */ - if (mvmvif != mvm->bf_allowed_vif) - return 0; - - if (enable) { - struct iwl_beacon_filter_cmd cmd_bf = { - IWL_BF_CMD_CONFIG_D0I3, - .bf_enable_beacon_filter = cpu_to_le32(1), - }; - ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, - flags, true); - } else { - if (mvmvif->bf_data.bf_enabled) - ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); - else - ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags); - } - - return ret; -} |