e16cf7ec6f
The firmware starts sending nulldata frames for keepalive immediately after association, regardless of power management state. The driver thus needs to configure keep alive period unconditionally. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
121 lines
4.9 KiB
C
121 lines
4.9 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#ifndef __fw_api_power_h__
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#define __fw_api_power_h__
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/* Power Management Commands, Responses, Notifications */
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/**
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* enum iwl_scan_flags - masks for power table command flags
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* @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
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* receiver and transmitter. '0' - does not allow.
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* @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management,
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* '1' Driver enables PM (use rest of parameters)
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* @POWER_FLAGS_SKIP_OVER_DTIM_MSK: '0' PM have to walk up every DTIM,
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* '1' PM could sleep over DTIM till listen Interval.
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* @POWER_FLAGS_ADVANCE_PM_ENA_MSK: Advanced PM (uAPSD) enable mask
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* @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable.
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*/
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enum iwl_power_flags {
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POWER_FLAGS_POWER_SAVE_ENA_MSK = BIT(0),
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POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK = BIT(1),
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POWER_FLAGS_SKIP_OVER_DTIM_MSK = BIT(2),
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POWER_FLAGS_ADVANCE_PM_ENA_MSK = BIT(9),
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POWER_FLAGS_LPRX_ENA_MSK = BIT(11),
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};
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#define IWL_POWER_VEC_SIZE 5
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/**
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* struct iwl_powertable_cmd - Power Table Command
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* POWER_TABLE_CMD = 0x77 (command, has simple generic response)
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*
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* @flags: Power table command flags from POWER_FLAGS_*
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* @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
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* Minimum allowed:- 3 * DTIM. Keep alive period must be
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* set regardless of power scheme or current power state.
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* FW use this value also when PM is disabled.
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* @rx_data_timeout: Minimum time (usec) from last Rx packet for AM to
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* PSM transition - legacy PM
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* @tx_data_timeout: Minimum time (usec) from last Tx packet for AM to
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* PSM transition - legacy PM
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* @sleep_interval: not in use
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* @keep_alive_beacons: not in use
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* @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
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* Default: 80dbm
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*/
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struct iwl_powertable_cmd {
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/* PM_POWER_TABLE_CMD_API_S_VER_5 */
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__le16 flags;
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u8 keep_alive_seconds;
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u8 debug_flags;
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__le32 rx_data_timeout;
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__le32 tx_data_timeout;
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__le32 sleep_interval[IWL_POWER_VEC_SIZE];
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__le32 keep_alive_beacons;
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__le32 lprx_rssi_threshold;
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} __packed;
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#endif
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