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/******************************************************************************
*
* 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
*
* 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
* 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.
*
*****************************************************************************/
#ifndef __fw_api_power_h__
#define __fw_api_power_h__
/* Power Management Commands, Responses, Notifications */
/* Radio LP RX Energy Threshold measured in dBm */
#define POWER_LPRX_RSSI_THRESHOLD 75
#define POWER_LPRX_RSSI_THRESHOLD_MAX 94
#define POWER_LPRX_RSSI_THRESHOLD_MIN 30
/**
* enum iwl_scan_flags - masks for power table command flags
* @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
* receiver and transmitter. '0' - does not allow.
* @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management,
* '1' Driver enables PM (use rest of parameters)
* @POWER_FLAGS_SKIP_OVER_DTIM_MSK: '0' PM have to walk up every DTIM,
* '1' PM could sleep over DTIM till listen Interval.
* @POWER_FLAGS_SNOOZE_ENA_MSK: Enable snoozing only if uAPSD is enabled and all
* access categories are both delivery and trigger enabled.
* @POWER_FLAGS_BT_SCO_ENA: Enable BT SCO coex only if uAPSD and
* PBW Snoozing enabled
* @POWER_FLAGS_ADVANCE_PM_ENA_MSK: Advanced PM (uAPSD) enable mask
* @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable.
* @POWER_FLAGS_AP_UAPSD_MISBEHAVING_ENA_MSK: AP/GO's uAPSD misbehaving
* detection enablement
*/
enum iwl_power_flags {
POWER_FLAGS_POWER_SAVE_ENA_MSK = BIT(0),
POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK = BIT(1),
POWER_FLAGS_SKIP_OVER_DTIM_MSK = BIT(2),
POWER_FLAGS_SNOOZE_ENA_MSK = BIT(5),
POWER_FLAGS_BT_SCO_ENA = BIT(8),
POWER_FLAGS_ADVANCE_PM_ENA_MSK = BIT(9),
POWER_FLAGS_LPRX_ENA_MSK = BIT(11),
POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK = BIT(12),
};
#define IWL_POWER_VEC_SIZE 5
/**
* struct iwl_powertable_cmd - legacy power command. Beside old API support this
* is used also with a new power API for device wide power settings.
* POWER_TABLE_CMD = 0x77 (command, has simple generic response)
*
* @flags: Power table command flags from POWER_FLAGS_*
* @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
* Minimum allowed:- 3 * DTIM. Keep alive period must be
* set regardless of power scheme or current power state.
* FW use this value also when PM is disabled.
* @rx_data_timeout: Minimum time (usec) from last Rx packet for AM to
* PSM transition - legacy PM
* @tx_data_timeout: Minimum time (usec) from last Tx packet for AM to
* PSM transition - legacy PM
* @sleep_interval: not in use
* @skip_dtim_periods: Number of DTIM periods to skip if Skip over DTIM flag
* is set. For example, if it is required to skip over
* one DTIM, this value need to be set to 2 (DTIM periods).
* @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
* Default: 80dbm
*/
struct iwl_powertable_cmd {
/* PM_POWER_TABLE_CMD_API_S_VER_6 */
__le16 flags;
u8 keep_alive_seconds;
u8 debug_flags;
__le32 rx_data_timeout;
__le32 tx_data_timeout;
__le32 sleep_interval[IWL_POWER_VEC_SIZE];
__le32 skip_dtim_periods;
__le32 lprx_rssi_threshold;
} __packed;
/**
* enum iwl_device_power_flags - masks for device power command flags
* @DEVIC_POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
* receiver and transmitter. '0' - does not allow. This flag should be
* always set to '1' unless one need to disable actual power down for debug
* purposes.
* @DEVICE_POWER_FLAGS_CAM_MSK: '1' CAM (Continuous Active Mode) is set, meaning
* that power management is disabled. '0' Power management is enabled, one
* of power schemes is applied.
*/
enum iwl_device_power_flags {
DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK = BIT(0),
DEVICE_POWER_FLAGS_CAM_MSK = BIT(13),
};
/**
* struct iwl_device_power_cmd - device wide power command.
* DEVICE_POWER_CMD = 0x77 (command, has simple generic response)
*
* @flags: Power table command flags from DEVICE_POWER_FLAGS_*
*/
struct iwl_device_power_cmd {
/* PM_POWER_TABLE_CMD_API_S_VER_6 */
__le16 flags;
__le16 reserved;
} __packed;
/**
* struct iwl_mac_power_cmd - New power command containing uAPSD support
* MAC_PM_POWER_TABLE = 0xA9 (command, has simple generic response)
* @id_and_color: MAC contex identifier
* @flags: Power table command flags from POWER_FLAGS_*
* @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
* Minimum allowed:- 3 * DTIM. Keep alive period must be
* set regardless of power scheme or current power state.
* FW use this value also when PM is disabled.
* @rx_data_timeout: Minimum time (usec) from last Rx packet for AM to
* PSM transition - legacy PM
* @tx_data_timeout: Minimum time (usec) from last Tx packet for AM to
* PSM transition - legacy PM
* @sleep_interval: not in use
* @skip_dtim_periods: Number of DTIM periods to skip if Skip over DTIM flag
* is set. For example, if it is required to skip over
* one DTIM, this value need to be set to 2 (DTIM periods).
* @rx_data_timeout_uapsd: Minimum time (usec) from last Rx packet for AM to
* PSM transition - uAPSD
* @tx_data_timeout_uapsd: Minimum time (usec) from last Tx packet for AM to
* PSM transition - uAPSD
* @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
* Default: 80dbm
* @num_skip_dtim: Number of DTIMs to skip if Skip over DTIM flag is set
* @snooze_interval: Maximum time between attempts to retrieve buffered data
* from the AP [msec]
* @snooze_window: A window of time in which PBW snoozing insures that all
* packets received. It is also the minimum time from last
* received unicast RX packet, before client stops snoozing
* for data. [msec]
* @snooze_step: TBD
* @qndp_tid: TID client shall use for uAPSD QNDP triggers
* @uapsd_ac_flags: Set trigger-enabled and delivery-enabled indication for
* each corresponding AC.
* Use IEEE80211_WMM_IE_STA_QOSINFO_AC* for correct values.
* @uapsd_max_sp: Use IEEE80211_WMM_IE_STA_QOSINFO_SP_* for correct
* values.
* @heavy_tx_thld_packets: TX threshold measured in number of packets
* @heavy_rx_thld_packets: RX threshold measured in number of packets
* @heavy_tx_thld_percentage: TX threshold measured in load's percentage
* @heavy_rx_thld_percentage: RX threshold measured in load's percentage
* @limited_ps_threshold:
*/
struct iwl_mac_power_cmd {
/* CONTEXT_DESC_API_T_VER_1 */
__le32 id_and_color;
/* CLIENT_PM_POWER_TABLE_S_VER_1 */
__le16 flags;
__le16 keep_alive_seconds;
__le32 rx_data_timeout;
__le32 tx_data_timeout;
__le32 rx_data_timeout_uapsd;
__le32 tx_data_timeout_uapsd;
u8 lprx_rssi_threshold;
u8 skip_dtim_periods;
__le16 snooze_interval;
__le16 snooze_window;
u8 snooze_step;
u8 qndp_tid;
u8 uapsd_ac_flags;
u8 uapsd_max_sp;
u8 heavy_tx_thld_packets;
u8 heavy_rx_thld_packets;
u8 heavy_tx_thld_percentage;
u8 heavy_rx_thld_percentage;
u8 limited_ps_threshold;
u8 reserved;
} __packed;
/*
* struct iwl_uapsd_misbehaving_ap_notif - FW sends this notification when
* associated AP is identified as improperly implementing uAPSD protocol.
* PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78
* @sta_id: index of station in uCode's station table - associated AP ID in
* this context.
*/
struct iwl_uapsd_misbehaving_ap_notif {
__le32 sta_id;
u8 mac_id;
u8 reserved[3];
} __packed;
/**
* struct iwl_beacon_filter_cmd
* REPLY_BEACON_FILTERING_CMD = 0xd2 (command)
* @id_and_color: MAC contex identifier
* @bf_energy_delta: Used for RSSI filtering, if in 'normal' state. Send beacon
* to driver if delta in Energy values calculated for this and last
* passed beacon is greater than this threshold. Zero value means that
* the Energy change is ignored for beacon filtering, and beacon will
* not be forced to be sent to driver regardless of this delta. Typical
* energy delta 5dB.
* @bf_roaming_energy_delta: Used for RSSI filtering, if in 'roaming' state.
* Send beacon to driver if delta in Energy values calculated for this
* and last passed beacon is greater than this threshold. Zero value
* means that the Energy change is ignored for beacon filtering while in
* Roaming state, typical energy delta 1dB.
* @bf_roaming_state: Used for RSSI filtering. If absolute Energy values
* calculated for current beacon is less than the threshold, use
* Roaming Energy Delta Threshold, otherwise use normal Energy Delta
* Threshold. Typical energy threshold is -72dBm.
* @bf_temp_threshold: This threshold determines the type of temperature
* filtering (Slow or Fast) that is selected (Units are in Celsuis):
* If the current temperature is above this threshold - Fast filter
* will be used, If the current temperature is below this threshold -
* Slow filter will be used.
* @bf_temp_fast_filter: Send Beacon to driver if delta in temperature values
* calculated for this and the last passed beacon is greater than this
* threshold. Zero value means that the temperature change is ignored for
* beacon filtering; beacons will not be forced to be sent to driver
* regardless of whether its temerature has been changed.
* @bf_temp_slow_filter: Send Beacon to driver if delta in temperature values
* calculated for this and the last passed beacon is greater than this
* threshold. Zero value means that the temperature change is ignored for
* beacon filtering; beacons will not be forced to be sent to driver
* regardless of whether its temerature has been changed.
* @bf_enable_beacon_filter: 1, beacon filtering is enabled; 0, disabled.
* @bf_filter_escape_timer: Send beacons to to driver if no beacons were passed
* for a specific period of time. Units: Beacons.
* @ba_escape_timer: Fully receive and parse beacon if no beacons were passed
* for a longer period of time then this escape-timeout. Units: Beacons.
* @ba_enable_beacon_abort: 1, beacon abort is enabled; 0, disabled.
*/
struct iwl_beacon_filter_cmd {
__le32 bf_energy_delta;
__le32 bf_roaming_energy_delta;
__le32 bf_roaming_state;
__le32 bf_temp_threshold;
__le32 bf_temp_fast_filter;
__le32 bf_temp_slow_filter;
__le32 bf_enable_beacon_filter;
__le32 bf_debug_flag;
__le32 bf_escape_timer;
__le32 ba_escape_timer;
__le32 ba_enable_beacon_abort;
} __packed;
/* Beacon filtering and beacon abort */
#define IWL_BF_ENERGY_DELTA_DEFAULT 5
#define IWL_BF_ENERGY_DELTA_D0I3 20
#define IWL_BF_ENERGY_DELTA_MAX 255
#define IWL_BF_ENERGY_DELTA_MIN 0
#define IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT 1
#define IWL_BF_ROAMING_ENERGY_DELTA_D0I3 20
#define IWL_BF_ROAMING_ENERGY_DELTA_MAX 255
#define IWL_BF_ROAMING_ENERGY_DELTA_MIN 0
#define IWL_BF_ROAMING_STATE_DEFAULT 72
#define IWL_BF_ROAMING_STATE_D0I3 72
#define IWL_BF_ROAMING_STATE_MAX 255
#define IWL_BF_ROAMING_STATE_MIN 0
#define IWL_BF_TEMP_THRESHOLD_DEFAULT 112
#define IWL_BF_TEMP_THRESHOLD_D0I3 112
#define IWL_BF_TEMP_THRESHOLD_MAX 255
#define IWL_BF_TEMP_THRESHOLD_MIN 0
#define IWL_BF_TEMP_FAST_FILTER_DEFAULT 1
#define IWL_BF_TEMP_FAST_FILTER_D0I3 1
#define IWL_BF_TEMP_FAST_FILTER_MAX 255
#define IWL_BF_TEMP_FAST_FILTER_MIN 0
#define IWL_BF_TEMP_SLOW_FILTER_DEFAULT 5
#define IWL_BF_TEMP_SLOW_FILTER_D0I3 5
#define IWL_BF_TEMP_SLOW_FILTER_MAX 255
#define IWL_BF_TEMP_SLOW_FILTER_MIN 0
#define IWL_BF_ENABLE_BEACON_FILTER_DEFAULT 1
#define IWL_BF_DEBUG_FLAG_DEFAULT 0
#define IWL_BF_DEBUG_FLAG_D0I3 0
#define IWL_BF_ESCAPE_TIMER_DEFAULT 50
#define IWL_BF_ESCAPE_TIMER_D0I3 0
#define IWL_BF_ESCAPE_TIMER_MAX 1024
#define IWL_BF_ESCAPE_TIMER_MIN 0
#define IWL_BA_ESCAPE_TIMER_DEFAULT 6
#define IWL_BA_ESCAPE_TIMER_D0I3 6
#define IWL_BA_ESCAPE_TIMER_D3 9
#define IWL_BA_ESCAPE_TIMER_MAX 1024
#define IWL_BA_ESCAPE_TIMER_MIN 0
#define IWL_BA_ENABLE_BEACON_ABORT_DEFAULT 1
#define IWL_BF_CMD_CONFIG(mode) \
.bf_energy_delta = cpu_to_le32(IWL_BF_ENERGY_DELTA ## mode), \
.bf_roaming_energy_delta = \
cpu_to_le32(IWL_BF_ROAMING_ENERGY_DELTA ## mode), \
.bf_roaming_state = cpu_to_le32(IWL_BF_ROAMING_STATE ## mode), \
.bf_temp_threshold = cpu_to_le32(IWL_BF_TEMP_THRESHOLD ## mode), \
.bf_temp_fast_filter = cpu_to_le32(IWL_BF_TEMP_FAST_FILTER ## mode), \
.bf_temp_slow_filter = cpu_to_le32(IWL_BF_TEMP_SLOW_FILTER ## mode), \
.bf_debug_flag = cpu_to_le32(IWL_BF_DEBUG_FLAG ## mode), \
.bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER ## mode), \
.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER ## mode)
#define IWL_BF_CMD_CONFIG_DEFAULTS IWL_BF_CMD_CONFIG(_DEFAULT)
#define IWL_BF_CMD_CONFIG_D0I3 IWL_BF_CMD_CONFIG(_D0I3)
#endif
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