drivers/net/wireless/iwlwifi/iwl-fw.h - kernel/msm-4.9 - Gitiles

 /******************************************************************************
  *
  * 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) 2008 - 2014 Intel Corporation. All rights reserved.
  *
  * 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) 2005 - 2014 Intel Corporation. All rights reserved.
  * 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 __iwl_fw_h__
 #define __iwl_fw_h__
 #include <linux/types.h>
 #include <net/mac80211.h>

 /**
  * enum iwl_ucode_tlv_flag - ucode API flags
  * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
  *	was a separate TLV but moved here to save space.
  * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
  *	treats good CRC threshold as a boolean
  * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
  * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
  * @IWL_UCODE_TLV_FLAGS_DW_BC_TABLE: The SCD byte count table is in DWORDS
  * @IWL_UCODE_TLV_FLAGS_UAPSD: This uCode image supports uAPSD
  * @IWL_UCODE_TLV_FLAGS_SHORT_BL: 16 entries of black list instead of 64 in scan
  *	offload profile config command.
  * @IWL_UCODE_TLV_FLAGS_RX_ENERGY_API: supports rx signal strength api
  * @IWL_UCODE_TLV_FLAGS_TIME_EVENT_API_V2: using the new time event API.
  * @IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS: D3 image supports up to six
  *	(rather than two) IPv6 addresses
  * @IWL_UCODE_TLV_FLAGS_BF_UPDATED: new beacon filtering API
  * @IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID: not sending a probe with the SSID element
  *	from the probe request template.
  * @IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API: modified D3 API to allow keeping
  *	connection when going back to D0
  * @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL: new NS offload (small version)
  * @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE: new NS offload (large version)
  * @IWL_UCODE_TLV_FLAGS_SCHED_SCAN: this uCode image supports scheduled scan.
  * @IWL_UCODE_TLV_FLAGS_STA_KEY_CMD: new ADD_STA and ADD_STA_KEY command API
  * @IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD: support device wide power command
  *	containing CAM (Continuous Active Mode) indication.
  * @IWL_UCODE_TLV_FLAGS_P2P_PS: P2P client power save is supported (only on a
  *	single bound interface).
  * @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save
  */
 enum iwl_ucode_tlv_flag {
 	IWL_UCODE_TLV_FLAGS_PAN			= BIT(0),
 	IWL_UCODE_TLV_FLAGS_NEWSCAN		= BIT(1),
 	IWL_UCODE_TLV_FLAGS_MFP			= BIT(2),
 	IWL_UCODE_TLV_FLAGS_P2P			= BIT(3),
 	IWL_UCODE_TLV_FLAGS_DW_BC_TABLE		= BIT(4),
 	IWL_UCODE_TLV_FLAGS_NEWBT_COEX		= BIT(5),
 	IWL_UCODE_TLV_FLAGS_PM_CMD_SUPPORT	= BIT(6),
 	IWL_UCODE_TLV_FLAGS_SHORT_BL		= BIT(7),
 	IWL_UCODE_TLV_FLAGS_RX_ENERGY_API	= BIT(8),
 	IWL_UCODE_TLV_FLAGS_TIME_EVENT_API_V2	= BIT(9),
 	IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS	= BIT(10),
 	IWL_UCODE_TLV_FLAGS_BF_UPDATED		= BIT(11),
 	IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID	= BIT(12),
 	IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API	= BIT(14),
 	IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL	= BIT(15),
 	IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE	= BIT(16),
 	IWL_UCODE_TLV_FLAGS_SCHED_SCAN		= BIT(17),
 	IWL_UCODE_TLV_FLAGS_STA_KEY_CMD		= BIT(19),
 	IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD	= BIT(20),
 	IWL_UCODE_TLV_FLAGS_P2P_PS		= BIT(21),
 	IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT	= BIT(24),
 	IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD	= BIT(26),
 };

 /* The default calibrate table size if not specified by firmware file */
 #define IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE	18
 #define IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE		19
 #define IWL_MAX_PHY_CALIBRATE_TBL_SIZE			253

 /* The default max probe length if not specified by the firmware file */
 #define IWL_DEFAULT_MAX_PROBE_LENGTH	200

 /**
  * enum iwl_ucode_type
  *
  * The type of ucode.
  *
  * @IWL_UCODE_REGULAR: Normal runtime ucode
  * @IWL_UCODE_INIT: Initial ucode
  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
  */
 enum iwl_ucode_type {
 	IWL_UCODE_REGULAR,
 	IWL_UCODE_INIT,
 	IWL_UCODE_WOWLAN,
 	IWL_UCODE_TYPE_MAX,
 };

 /*
  * enumeration of ucode section.
  * This enumeration is used directly for older firmware (before 16.0).
  * For new firmware, there can be up to 4 sections (see below) but the
  * first one packaged into the firmware file is the DATA section and
  * some debugging code accesses that.
  */
 enum iwl_ucode_sec {
 	IWL_UCODE_SECTION_DATA,
 	IWL_UCODE_SECTION_INST,
 };
 /*
  * For 16.0 uCode and above, there is no differentiation between sections,
  * just an offset to the HW address.
  */
 #define IWL_UCODE_SECTION_MAX 6
 #define IWL_UCODE_FIRST_SECTION_OF_SECOND_CPU	(IWL_UCODE_SECTION_MAX/2)

 struct iwl_ucode_capabilities {
 	u32 max_probe_length;
 	u32 standard_phy_calibration_size;
 	u32 flags;
 };

 /* one for each uCode image (inst/data, init/runtime/wowlan) */
 struct fw_desc {
 	const void *data;	/* vmalloc'ed data */
 	u32 len;		/* size in bytes */
 	u32 offset;		/* offset in the device */
 };

 struct fw_img {
 	struct fw_desc sec[IWL_UCODE_SECTION_MAX];
 	bool is_secure;
 	bool is_dual_cpus;
 };

 /* uCode version contains 4 values: Major/Minor/API/Serial */
 #define IWL_UCODE_MAJOR(ver)	(((ver) & 0xFF000000) >> 24)
 #define IWL_UCODE_MINOR(ver)	(((ver) & 0x00FF0000) >> 16)
 #define IWL_UCODE_API(ver)	(((ver) & 0x0000FF00) >> 8)
 #define IWL_UCODE_SERIAL(ver)	((ver) & 0x000000FF)

 /*
  * Calibration control struct.
  * Sent as part of the phy configuration command.
  * @flow_trigger: bitmap for which calibrations to perform according to
  *		flow triggers.
  * @event_trigger: bitmap for which calibrations to perform according to
  *		event triggers.
  */
 struct iwl_tlv_calib_ctrl {
 	__le32 flow_trigger;
 	__le32 event_trigger;
 } __packed;

 enum iwl_fw_phy_cfg {
 	FW_PHY_CFG_RADIO_TYPE_POS = 0,
 	FW_PHY_CFG_RADIO_TYPE = 0x3 << FW_PHY_CFG_RADIO_TYPE_POS,
 	FW_PHY_CFG_RADIO_STEP_POS = 2,
 	FW_PHY_CFG_RADIO_STEP = 0x3 << FW_PHY_CFG_RADIO_STEP_POS,
 	FW_PHY_CFG_RADIO_DASH_POS = 4,
 	FW_PHY_CFG_RADIO_DASH = 0x3 << FW_PHY_CFG_RADIO_DASH_POS,
 	FW_PHY_CFG_TX_CHAIN_POS = 16,
 	FW_PHY_CFG_TX_CHAIN = 0xf << FW_PHY_CFG_TX_CHAIN_POS,
 	FW_PHY_CFG_RX_CHAIN_POS = 20,
 	FW_PHY_CFG_RX_CHAIN = 0xf << FW_PHY_CFG_RX_CHAIN_POS,
 };

 #define IWL_UCODE_MAX_CS		1

 /**
  * struct iwl_fw_cipher_scheme - a cipher scheme supported by FW.
  * @cipher: a cipher suite selector
  * @flags: cipher scheme flags (currently reserved for a future use)
  * @hdr_len: a size of MPDU security header
  * @pn_len: a size of PN
  * @pn_off: an offset of pn from the beginning of the security header
  * @key_idx_off: an offset of key index byte in the security header
  * @key_idx_mask: a bit mask of key_idx bits
  * @key_idx_shift: bit shift needed to get key_idx
  * @mic_len: mic length in bytes
  * @hw_cipher: a HW cipher index used in host commands
  */
 struct iwl_fw_cipher_scheme {
 	__le32 cipher;
 	u8 flags;
 	u8 hdr_len;
 	u8 pn_len;
 	u8 pn_off;
 	u8 key_idx_off;
 	u8 key_idx_mask;
 	u8 key_idx_shift;
 	u8 mic_len;
 	u8 hw_cipher;
 } __packed;

 /**
  * struct iwl_fw_cscheme_list - a cipher scheme list
  * @size: a number of entries
  * @cs: cipher scheme entries
  */
 struct iwl_fw_cscheme_list {
 	u8 size;
 	struct iwl_fw_cipher_scheme cs[];
 } __packed;

 /**
  * struct iwl_fw - variables associated with the firmware
  *
  * @ucode_ver: ucode version from the ucode file
  * @fw_version: firmware version string
  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
  * @ucode_capa: capabilities parsed from the ucode file.
  * @enhance_sensitivity_table: device can do enhanced sensitivity.
  * @init_evtlog_ptr: event log offset for init ucode.
  * @init_evtlog_size: event log size for init ucode.
  * @init_errlog_ptr: error log offfset for init ucode.
  * @inst_evtlog_ptr: event log offset for runtime ucode.
  * @inst_evtlog_size: event log size for runtime ucode.
  * @inst_errlog_ptr: error log offfset for runtime ucode.
  * @mvm_fw: indicates this is MVM firmware
  * @cipher_scheme: optional external cipher scheme.
  */
 struct iwl_fw {
 	u32 ucode_ver;

 	char fw_version[ETHTOOL_FWVERS_LEN];

 	/* ucode images */
 	struct fw_img img[IWL_UCODE_TYPE_MAX];

 	struct iwl_ucode_capabilities ucode_capa;
 	bool enhance_sensitivity_table;

 	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;

 	struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
 	u32 phy_config;

 	bool mvm_fw;

 	struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
 };

 static inline u8 iwl_fw_valid_tx_ant(const struct iwl_fw *fw)
 {
 	return (fw->phy_config & FW_PHY_CFG_TX_CHAIN) >>
 		FW_PHY_CFG_TX_CHAIN_POS;
 }

 static inline u8 iwl_fw_valid_rx_ant(const struct iwl_fw *fw)
 {
 	return (fw->phy_config & FW_PHY_CFG_RX_CHAIN) >>
 		FW_PHY_CFG_RX_CHAIN_POS;
 }

 #endif  /* __iwl_fw_h__ */
	/******************************************************************************
	*
	* 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) 2008 - 2014 Intel Corporation. All rights reserved.
	*
	* 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) 2005 - 2014 Intel Corporation. All rights reserved.
	* 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 __iwl_fw_h__
	#define __iwl_fw_h__
	#include <linux/types.h>
	#include <net/mac80211.h>

	/**
	* enum iwl_ucode_tlv_flag - ucode API flags
	* @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
	* was a separate TLV but moved here to save space.
	* @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
	* treats good CRC threshold as a boolean
	* @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
	* @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
	* @IWL_UCODE_TLV_FLAGS_DW_BC_TABLE: The SCD byte count table is in DWORDS
	* @IWL_UCODE_TLV_FLAGS_UAPSD: This uCode image supports uAPSD
	* @IWL_UCODE_TLV_FLAGS_SHORT_BL: 16 entries of black list instead of 64 in scan
	* offload profile config command.
	* @IWL_UCODE_TLV_FLAGS_RX_ENERGY_API: supports rx signal strength api
	* @IWL_UCODE_TLV_FLAGS_TIME_EVENT_API_V2: using the new time event API.
	* @IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS: D3 image supports up to six
	* (rather than two) IPv6 addresses
	* @IWL_UCODE_TLV_FLAGS_BF_UPDATED: new beacon filtering API
	* @IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID: not sending a probe with the SSID element
	* from the probe request template.
	* @IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API: modified D3 API to allow keeping
	* connection when going back to D0
	* @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL: new NS offload (small version)
	* @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE: new NS offload (large version)
	* @IWL_UCODE_TLV_FLAGS_SCHED_SCAN: this uCode image supports scheduled scan.
	* @IWL_UCODE_TLV_FLAGS_STA_KEY_CMD: new ADD_STA and ADD_STA_KEY command API
	* @IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD: support device wide power command
	* containing CAM (Continuous Active Mode) indication.
	* @IWL_UCODE_TLV_FLAGS_P2P_PS: P2P client power save is supported (only on a
	* single bound interface).
	* @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save
	*/
	enum iwl_ucode_tlv_flag {
	IWL_UCODE_TLV_FLAGS_PAN = BIT(0),
	IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1),
	IWL_UCODE_TLV_FLAGS_MFP = BIT(2),
	IWL_UCODE_TLV_FLAGS_P2P = BIT(3),
	IWL_UCODE_TLV_FLAGS_DW_BC_TABLE = BIT(4),
	IWL_UCODE_TLV_FLAGS_NEWBT_COEX = BIT(5),
	IWL_UCODE_TLV_FLAGS_PM_CMD_SUPPORT = BIT(6),
	IWL_UCODE_TLV_FLAGS_SHORT_BL = BIT(7),
	IWL_UCODE_TLV_FLAGS_RX_ENERGY_API = BIT(8),
	IWL_UCODE_TLV_FLAGS_TIME_EVENT_API_V2 = BIT(9),
	IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS = BIT(10),
	IWL_UCODE_TLV_FLAGS_BF_UPDATED = BIT(11),
	IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID = BIT(12),
	IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API = BIT(14),
	IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL = BIT(15),
	IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE = BIT(16),
	IWL_UCODE_TLV_FLAGS_SCHED_SCAN = BIT(17),
	IWL_UCODE_TLV_FLAGS_STA_KEY_CMD = BIT(19),
	IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD = BIT(20),
	IWL_UCODE_TLV_FLAGS_P2P_PS = BIT(21),
	IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT = BIT(24),
	IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD = BIT(26),
	};

	/* The default calibrate table size if not specified by firmware file */
	#define IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE 18
	#define IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE 19
	#define IWL_MAX_PHY_CALIBRATE_TBL_SIZE 253

	/* The default max probe length if not specified by the firmware file */
	#define IWL_DEFAULT_MAX_PROBE_LENGTH 200

	/**
	* enum iwl_ucode_type
	*
	* The type of ucode.
	*
	* @IWL_UCODE_REGULAR: Normal runtime ucode
	* @IWL_UCODE_INIT: Initial ucode
	* @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
	*/
	enum iwl_ucode_type {
	IWL_UCODE_REGULAR,
	IWL_UCODE_INIT,
	IWL_UCODE_WOWLAN,
	IWL_UCODE_TYPE_MAX,
	};

	/*
	* enumeration of ucode section.
	* This enumeration is used directly for older firmware (before 16.0).
	* For new firmware, there can be up to 4 sections (see below) but the
	* first one packaged into the firmware file is the DATA section and
	* some debugging code accesses that.
	*/
	enum iwl_ucode_sec {
	IWL_UCODE_SECTION_DATA,
	IWL_UCODE_SECTION_INST,
	};
	/*
	* For 16.0 uCode and above, there is no differentiation between sections,
	* just an offset to the HW address.
	*/
	#define IWL_UCODE_SECTION_MAX 6
	#define IWL_UCODE_FIRST_SECTION_OF_SECOND_CPU (IWL_UCODE_SECTION_MAX/2)

	struct iwl_ucode_capabilities {
	u32 max_probe_length;
	u32 standard_phy_calibration_size;
	u32 flags;
	};

	/* one for each uCode image (inst/data, init/runtime/wowlan) */
	struct fw_desc {
	const void data; / vmalloc'ed data */
	u32 len; /* size in bytes */
	u32 offset; /* offset in the device */
	};

	struct fw_img {
	struct fw_desc sec[IWL_UCODE_SECTION_MAX];
	bool is_secure;
	bool is_dual_cpus;
	};

	/* uCode version contains 4 values: Major/Minor/API/Serial */
	#define IWL_UCODE_MAJOR(ver) (((ver) & 0xFF000000) >> 24)
	#define IWL_UCODE_MINOR(ver) (((ver) & 0x00FF0000) >> 16)
	#define IWL_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8)
	#define IWL_UCODE_SERIAL(ver) ((ver) & 0x000000FF)

	/*
	* Calibration control struct.
	* Sent as part of the phy configuration command.
	* @flow_trigger: bitmap for which calibrations to perform according to
	* flow triggers.
	* @event_trigger: bitmap for which calibrations to perform according to
	* event triggers.
	*/
	struct iwl_tlv_calib_ctrl {
	__le32 flow_trigger;
	__le32 event_trigger;
	} __packed;

	enum iwl_fw_phy_cfg {
	FW_PHY_CFG_RADIO_TYPE_POS = 0,
	FW_PHY_CFG_RADIO_TYPE = 0x3 << FW_PHY_CFG_RADIO_TYPE_POS,
	FW_PHY_CFG_RADIO_STEP_POS = 2,
	FW_PHY_CFG_RADIO_STEP = 0x3 << FW_PHY_CFG_RADIO_STEP_POS,
	FW_PHY_CFG_RADIO_DASH_POS = 4,
	FW_PHY_CFG_RADIO_DASH = 0x3 << FW_PHY_CFG_RADIO_DASH_POS,
	FW_PHY_CFG_TX_CHAIN_POS = 16,
	FW_PHY_CFG_TX_CHAIN = 0xf << FW_PHY_CFG_TX_CHAIN_POS,
	FW_PHY_CFG_RX_CHAIN_POS = 20,
	FW_PHY_CFG_RX_CHAIN = 0xf << FW_PHY_CFG_RX_CHAIN_POS,
	};

	#define IWL_UCODE_MAX_CS 1

	/**
	* struct iwl_fw_cipher_scheme - a cipher scheme supported by FW.
	* @cipher: a cipher suite selector
	* @flags: cipher scheme flags (currently reserved for a future use)
	* @hdr_len: a size of MPDU security header
	* @pn_len: a size of PN
	* @pn_off: an offset of pn from the beginning of the security header
	* @key_idx_off: an offset of key index byte in the security header
	* @key_idx_mask: a bit mask of key_idx bits
	* @key_idx_shift: bit shift needed to get key_idx
	* @mic_len: mic length in bytes
	* @hw_cipher: a HW cipher index used in host commands
	*/
	struct iwl_fw_cipher_scheme {
	__le32 cipher;
	u8 flags;
	u8 hdr_len;
	u8 pn_len;
	u8 pn_off;
	u8 key_idx_off;
	u8 key_idx_mask;
	u8 key_idx_shift;
	u8 mic_len;
	u8 hw_cipher;
	} __packed;

	/**
	* struct iwl_fw_cscheme_list - a cipher scheme list
	* @size: a number of entries
	* @cs: cipher scheme entries
	*/
	struct iwl_fw_cscheme_list {
	u8 size;
	struct iwl_fw_cipher_scheme cs[];
	} __packed;

	/**
	* struct iwl_fw - variables associated with the firmware
	*
	* @ucode_ver: ucode version from the ucode file
	* @fw_version: firmware version string
	* @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
	* @ucode_capa: capabilities parsed from the ucode file.
	* @enhance_sensitivity_table: device can do enhanced sensitivity.
	* @init_evtlog_ptr: event log offset for init ucode.
	* @init_evtlog_size: event log size for init ucode.
	* @init_errlog_ptr: error log offfset for init ucode.
	* @inst_evtlog_ptr: event log offset for runtime ucode.
	* @inst_evtlog_size: event log size for runtime ucode.
	* @inst_errlog_ptr: error log offfset for runtime ucode.
	* @mvm_fw: indicates this is MVM firmware
	* @cipher_scheme: optional external cipher scheme.
	*/
	struct iwl_fw {
	u32 ucode_ver;

	char fw_version[ETHTOOL_FWVERS_LEN];

	/* ucode images */
	struct fw_img img[IWL_UCODE_TYPE_MAX];

	struct iwl_ucode_capabilities ucode_capa;
	bool enhance_sensitivity_table;

	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;

	struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
	u32 phy_config;

	bool mvm_fw;

	struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
	};

	static inline u8 iwl_fw_valid_tx_ant(const struct iwl_fw *fw)
	{
	return (fw->phy_config & FW_PHY_CFG_TX_CHAIN) >>
	FW_PHY_CFG_TX_CHAIN_POS;
	}

	static inline u8 iwl_fw_valid_rx_ant(const struct iwl_fw *fw)
	{
	return (fw->phy_config & FW_PHY_CFG_RX_CHAIN) >>
	FW_PHY_CFG_RX_CHAIN_POS;
	}

	#endif /* __iwl_fw_h__ */