960 lines
28 KiB
C
960 lines
28 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/*
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* Copyright (C) 2012-2014, 2018-2019, 2021 Intel Corporation
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* Copyright (C) 2013-2014 Intel Mobile Communications GmbH
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* Copyright (C) 2015-2017 Intel Deutschland GmbH
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/etherdevice.h>
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#include <net/mac80211.h>
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#include "iwl-debug.h"
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#include "mvm.h"
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#include "iwl-modparams.h"
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#include "fw/api/power.h"
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#define POWER_KEEP_ALIVE_PERIOD_SEC 25
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static
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int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
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struct iwl_beacon_filter_cmd *cmd,
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u32 flags)
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{
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u16 len;
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IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
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le32_to_cpu(cmd->ba_enable_beacon_abort));
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IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
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le32_to_cpu(cmd->ba_escape_timer));
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IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
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le32_to_cpu(cmd->bf_debug_flag));
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IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
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le32_to_cpu(cmd->bf_enable_beacon_filter));
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IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
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le32_to_cpu(cmd->bf_energy_delta));
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IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
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le32_to_cpu(cmd->bf_escape_timer));
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IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
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le32_to_cpu(cmd->bf_roaming_energy_delta));
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IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
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le32_to_cpu(cmd->bf_roaming_state));
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IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
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le32_to_cpu(cmd->bf_temp_threshold));
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IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
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le32_to_cpu(cmd->bf_temp_fast_filter));
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IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
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le32_to_cpu(cmd->bf_temp_slow_filter));
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IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_low is: %d, %d\n",
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le32_to_cpu(cmd->bf_threshold_absolute_low[0]),
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le32_to_cpu(cmd->bf_threshold_absolute_low[1]));
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IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_high is: %d, %d\n",
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le32_to_cpu(cmd->bf_threshold_absolute_high[0]),
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le32_to_cpu(cmd->bf_threshold_absolute_high[1]));
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if (fw_has_api(&mvm->fw->ucode_capa,
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IWL_UCODE_TLV_API_BEACON_FILTER_V4))
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len = sizeof(struct iwl_beacon_filter_cmd);
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else
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len = offsetof(struct iwl_beacon_filter_cmd,
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bf_threshold_absolute_low);
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return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
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len, cmd);
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}
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static
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void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif,
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struct iwl_beacon_filter_cmd *cmd)
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{
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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if (vif->bss_conf.cqm_rssi_thold) {
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cmd->bf_energy_delta =
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cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
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/* fw uses an absolute value for this */
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cmd->bf_roaming_state =
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cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
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}
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cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
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}
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static void iwl_mvm_power_log(struct iwl_mvm *mvm,
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struct iwl_mac_power_cmd *cmd)
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{
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IWL_DEBUG_POWER(mvm,
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"Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
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cmd->id_and_color, iwlmvm_mod_params.power_scheme,
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le16_to_cpu(cmd->flags));
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IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
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le16_to_cpu(cmd->keep_alive_seconds));
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if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
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IWL_DEBUG_POWER(mvm, "Disable power management\n");
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return;
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}
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IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
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le32_to_cpu(cmd->rx_data_timeout));
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IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
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le32_to_cpu(cmd->tx_data_timeout));
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if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
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IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
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cmd->skip_dtim_periods);
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if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
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IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
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cmd->lprx_rssi_threshold);
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if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
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IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
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IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
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le32_to_cpu(cmd->rx_data_timeout_uapsd));
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IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
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le32_to_cpu(cmd->tx_data_timeout_uapsd));
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IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
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IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
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IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
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}
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}
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static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif,
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struct iwl_mac_power_cmd *cmd)
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{
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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enum ieee80211_ac_numbers ac;
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bool tid_found = false;
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if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ||
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cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
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cmd->rx_data_timeout_uapsd =
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cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
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cmd->tx_data_timeout_uapsd =
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cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
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} else {
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cmd->rx_data_timeout_uapsd =
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cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
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cmd->tx_data_timeout_uapsd =
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cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
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}
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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/* set advanced pm flag with no uapsd ACs to enable ps-poll */
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if (mvmvif->dbgfs_pm.use_ps_poll) {
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cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
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return;
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}
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#endif
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for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
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if (!mvmvif->queue_params[ac].uapsd)
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continue;
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if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))
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cmd->flags |=
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cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
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cmd->uapsd_ac_flags |= BIT(ac);
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/* QNDP TID - the highest TID with no admission control */
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if (!tid_found && !mvmvif->queue_params[ac].acm) {
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tid_found = true;
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switch (ac) {
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case IEEE80211_AC_VO:
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cmd->qndp_tid = 6;
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break;
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case IEEE80211_AC_VI:
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cmd->qndp_tid = 5;
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break;
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case IEEE80211_AC_BE:
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cmd->qndp_tid = 0;
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break;
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case IEEE80211_AC_BK:
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cmd->qndp_tid = 1;
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break;
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}
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}
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}
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cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
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if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
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BIT(IEEE80211_AC_VI) |
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BIT(IEEE80211_AC_BE) |
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BIT(IEEE80211_AC_BK))) {
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cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
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cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
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cmd->snooze_window =
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test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ?
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cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
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cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
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}
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cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len;
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if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
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cmd->heavy_tx_thld_packets =
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IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
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cmd->heavy_rx_thld_packets =
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IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
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} else {
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cmd->heavy_tx_thld_packets =
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IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
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cmd->heavy_rx_thld_packets =
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IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
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}
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cmd->heavy_tx_thld_percentage =
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IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
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cmd->heavy_rx_thld_percentage =
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IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
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}
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static void iwl_mvm_p2p_standalone_iterator(void *_data, u8 *mac,
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struct ieee80211_vif *vif)
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{
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bool *is_p2p_standalone = _data;
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switch (ieee80211_vif_type_p2p(vif)) {
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case NL80211_IFTYPE_P2P_GO:
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case NL80211_IFTYPE_AP:
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*is_p2p_standalone = false;
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break;
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case NL80211_IFTYPE_STATION:
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if (vif->cfg.assoc)
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*is_p2p_standalone = false;
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break;
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default:
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break;
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}
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}
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static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif)
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{
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
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ETH_ALEN))
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return false;
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/*
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* Avoid using uAPSD if P2P client is associated to GO that uses
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* opportunistic power save. This is due to current FW limitation.
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*/
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if (vif->p2p &&
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(vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
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IEEE80211_P2P_OPPPS_ENABLE_BIT))
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return false;
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/*
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* Avoid using uAPSD if client is in DCM -
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* low latency issue in Miracast
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*/
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if (iwl_mvm_phy_ctx_count(mvm) >= 2)
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return false;
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if (vif->p2p) {
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/* Allow U-APSD only if p2p is stand alone */
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bool is_p2p_standalone = true;
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if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm))
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return false;
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ieee80211_iterate_active_interfaces_atomic(mvm->hw,
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IEEE80211_IFACE_ITER_NORMAL,
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iwl_mvm_p2p_standalone_iterator,
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&is_p2p_standalone);
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if (!is_p2p_standalone)
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return false;
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}
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return true;
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}
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static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
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{
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struct ieee80211_chanctx_conf *chanctx_conf;
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struct ieee80211_channel *chan;
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bool radar_detect = false;
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rcu_read_lock();
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chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf);
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WARN_ON(!chanctx_conf);
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if (chanctx_conf) {
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chan = chanctx_conf->def.chan;
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radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
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}
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rcu_read_unlock();
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return radar_detect;
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}
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static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif,
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struct iwl_mac_power_cmd *cmd)
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{
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int dtimper = vif->bss_conf.dtim_period ?: 1;
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int skip;
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/* disable, in case we're supposed to override */
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cmd->skip_dtim_periods = 0;
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cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
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if (iwl_mvm_power_is_radar(vif))
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return;
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if (dtimper >= 10)
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return;
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if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) {
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if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
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return;
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skip = 2;
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} else {
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int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
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if (WARN_ON(!dtimper_tu))
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return;
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/* configure skip over dtim up to 306TU - 314 msec */
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skip = max_t(u8, 1, 306 / dtimper_tu);
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}
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/* the firmware really expects "look at every X DTIMs", so add 1 */
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cmd->skip_dtim_periods = 1 + skip;
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cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
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}
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static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif,
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struct iwl_mac_power_cmd *cmd)
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{
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int dtimper, bi;
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int keep_alive;
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struct iwl_mvm_vif *mvmvif __maybe_unused =
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iwl_mvm_vif_from_mac80211(vif);
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cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
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mvmvif->color));
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dtimper = vif->bss_conf.dtim_period;
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bi = vif->bss_conf.beacon_int;
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/*
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* Regardless of power management state the driver must set
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* keep alive period. FW will use it for sending keep alive NDPs
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* immediately after association. Check that keep alive period
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* is at least 3 * DTIM
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*/
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keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
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USEC_PER_SEC);
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keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
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cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
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if (mvm->ps_disabled)
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return;
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cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
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if (!vif->cfg.ps || !mvmvif->pm_enabled)
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return;
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if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
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(!fw_has_capa(&mvm->fw->ucode_capa,
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IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
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!IWL_MVM_P2P_LOWLATENCY_PS_ENABLE))
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return;
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cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
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if (vif->bss_conf.beacon_rate &&
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(vif->bss_conf.beacon_rate->bitrate == 10 ||
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vif->bss_conf.beacon_rate->bitrate == 60)) {
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cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
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cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
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}
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iwl_mvm_power_config_skip_dtim(mvm, vif, cmd);
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if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) {
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cmd->rx_data_timeout =
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cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
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cmd->tx_data_timeout =
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cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
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} else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
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fw_has_capa(&mvm->fw->ucode_capa,
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IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
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cmd->tx_data_timeout =
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cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
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cmd->rx_data_timeout =
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cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
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} else {
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cmd->rx_data_timeout =
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cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
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cmd->tx_data_timeout =
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cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
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}
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if (iwl_mvm_power_allow_uapsd(mvm, vif))
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iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
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cmd->keep_alive_seconds =
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cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
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if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
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if (mvmvif->dbgfs_pm.skip_over_dtim)
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cmd->flags |=
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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);
|
|
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 (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ?
|
|
mvm->disable_power_off_d3 : mvm->disable_power_off)
|
|
cmd.flags &=
|
|
cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
|
|
#endif
|
|
if (mvm->ext_clock_valid)
|
|
cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_32K_CLK_VALID_MSK);
|
|
|
|
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 *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 && mvmvif->phy_ctxt->id < NUM_PHY_CTX)
|
|
*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;
|
|
bool active = mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX;
|
|
|
|
if (!mvmvif->uploaded)
|
|
return;
|
|
|
|
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 (active)
|
|
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 (active)
|
|
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 (active)
|
|
power_iterator->p2p_active = true;
|
|
break;
|
|
|
|
case NL80211_IFTYPE_STATION:
|
|
power_iterator->bss_vif = vif;
|
|
if (active)
|
|
power_iterator->bss_active = true;
|
|
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) {
|
|
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)) {
|
|
if (vifs->bss_active)
|
|
bss_mvmvif->pm_enabled = true;
|
|
if (vifs->p2p_active)
|
|
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) {
|
|
/* share same channel*/
|
|
bss_mvmvif->pm_enabled = true;
|
|
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)
|
|
{
|
|
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);
|
|
iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
|
|
ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
|
|
|
|
if (!ret)
|
|
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);
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
|
|
struct ieee80211_vif *vif,
|
|
u32 flags)
|
|
{
|
|
return _iwl_mvm_disable_beacon_filter(mvm, vif, flags);
|
|
}
|
|
|
|
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 ieee80211_vif *vif)
|
|
{
|
|
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 (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))
|
|
cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
|
|
|
|
mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled ||
|
|
mvm->ps_disabled ||
|
|
!vif->cfg.ps ||
|
|
iwl_mvm_vif_low_latency(mvmvif));
|
|
|
|
return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0);
|
|
}
|
|
|
|
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;
|
|
|
|
if (vifs.bss_vif)
|
|
return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (vifs.bss_vif)
|
|
return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
|
|
|
|
return 0;
|
|
}
|