path: root/drivers/net/wireless/intel/iwlwifi/mvm/power.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright (C) 2012-2014, 2018-2019, 2021-2025 Intel Corporation
 * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
 * Copyright (C) 2015-2017 Intel Deutschland GmbH
 */
#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)
{
	u16 len;

	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));
	IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_low is: %d, %d\n",
			le32_to_cpu(cmd->bf_threshold_absolute_low[0]),
			le32_to_cpu(cmd->bf_threshold_absolute_low[1]));

	IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_high is: %d, %d\n",
			le32_to_cpu(cmd->bf_threshold_absolute_high[0]),
			le32_to_cpu(cmd->bf_threshold_absolute_high[1]));

	if (fw_has_api(&mvm->fw->ucode_capa,
		       IWL_UCODE_TLV_API_BEACON_FILTER_V4))
		len = sizeof(struct iwl_beacon_filter_cmd);
	else
		len = offsetof(struct iwl_beacon_filter_cmd,
			       bf_threshold_absolute_low);

	return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, 0,
				    len, cmd);
}

static
void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
					  struct ieee80211_vif *vif,
					  struct iwl_beacon_filter_cmd *cmd)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	if (vif->bss_conf.cqm_rssi_thold) {
		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->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,