iwlwifi: mvm: add TDLS channel switch FW APIs

[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / fw-api.h

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
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 *
 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
 *
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 * it under the terms of version 2 of the GNU General Public License as
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 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
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#ifndef __fw_api_h__
#define __fw_api_h__

#include "fw-api-rs.h"
#include "fw-api-tx.h"
#include "fw-api-sta.h"
#include "fw-api-mac.h"
#include "fw-api-power.h"
#include "fw-api-d3.h"
#include "fw-api-coex.h"
#include "fw-api-scan.h"

/* Tx queue numbers */
enum {
        IWL_MVM_OFFCHANNEL_QUEUE = 8,
        IWL_MVM_CMD_QUEUE = 9,
};

enum iwl_mvm_tx_fifo {
        IWL_MVM_TX_FIFO_BK = 0,
        IWL_MVM_TX_FIFO_BE,
        IWL_MVM_TX_FIFO_VI,
        IWL_MVM_TX_FIFO_VO,
        IWL_MVM_TX_FIFO_MCAST = 5,
        IWL_MVM_TX_FIFO_CMD = 7,
};

#define IWL_MVM_STATION_COUNT   16

#define IWL_MVM_TDLS_STA_COUNT  4

/* commands */
enum {
        MVM_ALIVE = 0x1,
        REPLY_ERROR = 0x2,

        INIT_COMPLETE_NOTIF = 0x4,

        /* PHY context commands */
        PHY_CONTEXT_CMD = 0x8,
        DBG_CFG = 0x9,
        ANTENNA_COUPLING_NOTIFICATION = 0xa,

        /* UMAC scan commands */
        SCAN_CFG_CMD = 0xc,
        SCAN_REQ_UMAC = 0xd,
        SCAN_ABORT_UMAC = 0xe,
        SCAN_COMPLETE_UMAC = 0xf,

        /* station table */
        ADD_STA_KEY = 0x17,
        ADD_STA = 0x18,
        REMOVE_STA = 0x19,

        /* TX */
        TX_CMD = 0x1c,
        TXPATH_FLUSH = 0x1e,
        MGMT_MCAST_KEY = 0x1f,

        /* scheduler config */
        SCD_QUEUE_CFG = 0x1d,

        /* global key */
        WEP_KEY = 0x20,

        /* TDLS */
        TDLS_CHANNEL_SWITCH_CMD = 0x27,
        TDLS_CHANNEL_SWITCH_NOTIFICATION = 0xaa,

        /* MAC and Binding commands */
        MAC_CONTEXT_CMD = 0x28,
        TIME_EVENT_CMD = 0x29, /* both CMD and response */
        TIME_EVENT_NOTIFICATION = 0x2a,
        BINDING_CONTEXT_CMD = 0x2b,
        TIME_QUOTA_CMD = 0x2c,
        NON_QOS_TX_COUNTER_CMD = 0x2d,

        LQ_CMD = 0x4e,

        /* Calibration */
        TEMPERATURE_NOTIFICATION = 0x62,
        CALIBRATION_CFG_CMD = 0x65,
        CALIBRATION_RES_NOTIFICATION = 0x66,
        CALIBRATION_COMPLETE_NOTIFICATION = 0x67,
        RADIO_VERSION_NOTIFICATION = 0x68,

        /* Scan offload */
        SCAN_OFFLOAD_REQUEST_CMD = 0x51,
        SCAN_OFFLOAD_ABORT_CMD = 0x52,
        HOT_SPOT_CMD = 0x53,
        SCAN_OFFLOAD_COMPLETE = 0x6D,
        SCAN_OFFLOAD_UPDATE_PROFILES_CMD = 0x6E,
        SCAN_OFFLOAD_CONFIG_CMD = 0x6f,
        MATCH_FOUND_NOTIFICATION = 0xd9,
        SCAN_ITERATION_COMPLETE = 0xe7,

        /* Phy */
        PHY_CONFIGURATION_CMD = 0x6a,
        CALIB_RES_NOTIF_PHY_DB = 0x6b,
        /* PHY_DB_CMD = 0x6c, */

        /* Power - legacy power table command */
        POWER_TABLE_CMD = 0x77,
        PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78,
        LTR_CONFIG = 0xee,

        /* Thermal Throttling*/
        REPLY_THERMAL_MNG_BACKOFF = 0x7e,

        /* Scanning */
        SCAN_REQUEST_CMD = 0x80,
        SCAN_ABORT_CMD = 0x81,
        SCAN_START_NOTIFICATION = 0x82,
        SCAN_RESULTS_NOTIFICATION = 0x83,
        SCAN_COMPLETE_NOTIFICATION = 0x84,

        /* NVM */
        NVM_ACCESS_CMD = 0x88,

        SET_CALIB_DEFAULT_CMD = 0x8e,

        BEACON_NOTIFICATION = 0x90,
        BEACON_TEMPLATE_CMD = 0x91,
        TX_ANT_CONFIGURATION_CMD = 0x98,
        STATISTICS_NOTIFICATION = 0x9d,
        EOSP_NOTIFICATION = 0x9e,
        REDUCE_TX_POWER_CMD = 0x9f,

        /* RF-KILL commands and notifications */
        CARD_STATE_CMD = 0xa0,
        CARD_STATE_NOTIFICATION = 0xa1,

        MISSED_BEACONS_NOTIFICATION = 0xa2,

        /* Power - new power table command */
        MAC_PM_POWER_TABLE = 0xa9,

        REPLY_RX_PHY_CMD = 0xc0,
        REPLY_RX_MPDU_CMD = 0xc1,
        BA_NOTIF = 0xc5,

        MARKER_CMD = 0xcb,

        /* BT Coex */
        BT_COEX_PRIO_TABLE = 0xcc,
        BT_COEX_PROT_ENV = 0xcd,
        BT_PROFILE_NOTIFICATION = 0xce,
        BT_CONFIG = 0x9b,
        BT_COEX_UPDATE_SW_BOOST = 0x5a,
        BT_COEX_UPDATE_CORUN_LUT = 0x5b,
        BT_COEX_UPDATE_REDUCED_TXP = 0x5c,
        BT_COEX_CI = 0x5d,

        REPLY_SF_CFG_CMD = 0xd1,
        REPLY_BEACON_FILTERING_CMD = 0xd2,

        /* DTS measurements */
        CMD_DTS_MEASUREMENT_TRIGGER = 0xdc,
        DTS_MEASUREMENT_NOTIFICATION = 0xdd,

        REPLY_DEBUG_CMD = 0xf0,
        DEBUG_LOG_MSG = 0xf7,

        BCAST_FILTER_CMD = 0xcf,
        MCAST_FILTER_CMD = 0xd0,

        /* D3 commands/notifications */
        D3_CONFIG_CMD = 0xd3,
        PROT_OFFLOAD_CONFIG_CMD = 0xd4,
        OFFLOADS_QUERY_CMD = 0xd5,
        REMOTE_WAKE_CONFIG_CMD = 0xd6,
        D0I3_END_CMD = 0xed,

        /* for WoWLAN in particular */
        WOWLAN_PATTERNS = 0xe0,
        WOWLAN_CONFIGURATION = 0xe1,
        WOWLAN_TSC_RSC_PARAM = 0xe2,
        WOWLAN_TKIP_PARAM = 0xe3,
        WOWLAN_KEK_KCK_MATERIAL = 0xe4,
        WOWLAN_GET_STATUSES = 0xe5,
        WOWLAN_TX_POWER_PER_DB = 0xe6,

        /* and for NetDetect */
        NET_DETECT_CONFIG_CMD = 0x54,
        NET_DETECT_PROFILES_QUERY_CMD = 0x56,
        NET_DETECT_PROFILES_CMD = 0x57,
        NET_DETECT_HOTSPOTS_CMD = 0x58,
        NET_DETECT_HOTSPOTS_QUERY_CMD = 0x59,

        REPLY_MAX = 0xff,
};

/**
 * struct iwl_cmd_response - generic response struct for most commands
 * @status: status of the command asked, changes for each one
 */
struct iwl_cmd_response {
        __le32 status;
};

/*
 * struct iwl_tx_ant_cfg_cmd
 * @valid: valid antenna configuration
 */
struct iwl_tx_ant_cfg_cmd {
        __le32 valid;
} __packed;

/**
 * struct iwl_reduce_tx_power_cmd - TX power reduction command
 * REDUCE_TX_POWER_CMD = 0x9f
 * @flags: (reserved for future implementation)
 * @mac_context_id: id of the mac ctx for which we are reducing TX power.
 * @pwr_restriction: TX power restriction in dBms.
 */
struct iwl_reduce_tx_power_cmd {
        u8 flags;
        u8 mac_context_id;
        __le16 pwr_restriction;
} __packed; /* TX_REDUCED_POWER_API_S_VER_1 */

/*
 * 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_calib_ctrl {
        __le32 flow_trigger;
        __le32 event_trigger;
} __packed;

/* This enum defines the bitmap of various calibrations to enable in both
 * init ucode and runtime ucode through CALIBRATION_CFG_CMD.
 */
enum iwl_calib_cfg {
        IWL_CALIB_CFG_XTAL_IDX                  = BIT(0),
        IWL_CALIB_CFG_TEMPERATURE_IDX           = BIT(1),
        IWL_CALIB_CFG_VOLTAGE_READ_IDX          = BIT(2),
        IWL_CALIB_CFG_PAPD_IDX                  = BIT(3),
        IWL_CALIB_CFG_TX_PWR_IDX                = BIT(4),
        IWL_CALIB_CFG_DC_IDX                    = BIT(5),
        IWL_CALIB_CFG_BB_FILTER_IDX             = BIT(6),
        IWL_CALIB_CFG_LO_LEAKAGE_IDX            = BIT(7),
        IWL_CALIB_CFG_TX_IQ_IDX                 = BIT(8),
        IWL_CALIB_CFG_TX_IQ_SKEW_IDX            = BIT(9),
        IWL_CALIB_CFG_RX_IQ_IDX                 = BIT(10),
        IWL_CALIB_CFG_RX_IQ_SKEW_IDX            = BIT(11),
        IWL_CALIB_CFG_SENSITIVITY_IDX           = BIT(12),
        IWL_CALIB_CFG_CHAIN_NOISE_IDX           = BIT(13),
        IWL_CALIB_CFG_DISCONNECTED_ANT_IDX      = BIT(14),
        IWL_CALIB_CFG_ANT_COUPLING_IDX          = BIT(15),
        IWL_CALIB_CFG_DAC_IDX                   = BIT(16),
        IWL_CALIB_CFG_ABS_IDX                   = BIT(17),
        IWL_CALIB_CFG_AGC_IDX                   = BIT(18),
};

/*
 * Phy configuration command.
 */
struct iwl_phy_cfg_cmd {
        __le32  phy_cfg;
        struct iwl_calib_ctrl calib_control;
} __packed;

#define PHY_CFG_RADIO_TYPE      (BIT(0) | BIT(1))
#define PHY_CFG_RADIO_STEP      (BIT(2) | BIT(3))
#define PHY_CFG_RADIO_DASH      (BIT(4) | BIT(5))
#define PHY_CFG_PRODUCT_NUMBER  (BIT(6) | BIT(7))
#define PHY_CFG_TX_CHAIN_A      BIT(8)
#define PHY_CFG_TX_CHAIN_B      BIT(9)
#define PHY_CFG_TX_CHAIN_C      BIT(10)
#define PHY_CFG_RX_CHAIN_A      BIT(12)
#define PHY_CFG_RX_CHAIN_B      BIT(13)
#define PHY_CFG_RX_CHAIN_C      BIT(14)


/* Target of the NVM_ACCESS_CMD */
enum {
        NVM_ACCESS_TARGET_CACHE = 0,
        NVM_ACCESS_TARGET_OTP = 1,
        NVM_ACCESS_TARGET_EEPROM = 2,
};

/* Section types for NVM_ACCESS_CMD */
enum {
        NVM_SECTION_TYPE_SW = 1,
        NVM_SECTION_TYPE_REGULATORY = 3,
        NVM_SECTION_TYPE_CALIBRATION = 4,
        NVM_SECTION_TYPE_PRODUCTION = 5,
        NVM_SECTION_TYPE_MAC_OVERRIDE = 11,
        NVM_MAX_NUM_SECTIONS = 12,
};

/**
 * struct iwl_nvm_access_cmd_ver2 - Request the device to send an NVM section
 * @op_code: 0 - read, 1 - write
 * @target: NVM_ACCESS_TARGET_*
 * @type: NVM_SECTION_TYPE_*
 * @offset: offset in bytes into the section
 * @length: in bytes, to read/write
 * @data: if write operation, the data to write. On read its empty
 */
struct iwl_nvm_access_cmd {
        u8 op_code;
        u8 target;
        __le16 type;
        __le16 offset;
        __le16 length;
        u8 data[];
} __packed; /* NVM_ACCESS_CMD_API_S_VER_2 */

/**
 * struct iwl_nvm_access_resp_ver2 - response to NVM_ACCESS_CMD
 * @offset: offset in bytes into the section
 * @length: in bytes, either how much was written or read
 * @type: NVM_SECTION_TYPE_*
 * @status: 0 for success, fail otherwise
 * @data: if read operation, the data returned. Empty on write.
 */
struct iwl_nvm_access_resp {
        __le16 offset;
        __le16 length;
        __le16 type;
        __le16 status;
        u8 data[];
} __packed; /* NVM_ACCESS_CMD_RESP_API_S_VER_2 */

/* MVM_ALIVE 0x1 */

/* alive response is_valid values */
#define ALIVE_RESP_UCODE_OK     BIT(0)
#define ALIVE_RESP_RFKILL       BIT(1)

/* alive response ver_type values */
enum {
        FW_TYPE_HW = 0,
        FW_TYPE_PROT = 1,
        FW_TYPE_AP = 2,
        FW_TYPE_WOWLAN = 3,
        FW_TYPE_TIMING = 4,
        FW_TYPE_WIPAN = 5
};

/* alive response ver_subtype values */
enum {
        FW_SUBTYPE_FULL_FEATURE = 0,
        FW_SUBTYPE_BOOTSRAP = 1, /* Not valid */
        FW_SUBTYPE_REDUCED = 2,
        FW_SUBTYPE_ALIVE_ONLY = 3,
        FW_SUBTYPE_WOWLAN = 4,
        FW_SUBTYPE_AP_SUBTYPE = 5,
        FW_SUBTYPE_WIPAN = 6,
        FW_SUBTYPE_INITIALIZE = 9
};

#define IWL_ALIVE_STATUS_ERR 0xDEAD
#define IWL_ALIVE_STATUS_OK 0xCAFE

#define IWL_ALIVE_FLG_RFKILL    BIT(0)

struct mvm_alive_resp {
        __le16 status;
        __le16 flags;
        u8 ucode_minor;
        u8 ucode_major;
        __le16 id;
        u8 api_minor;
        u8 api_major;
        u8 ver_subtype;
        u8 ver_type;
        u8 mac;
        u8 opt;
        __le16 reserved2;
        __le32 timestamp;
        __le32 error_event_table_ptr;   /* SRAM address for error log */
        __le32 log_event_table_ptr;     /* SRAM address for event log */
        __le32 cpu_register_ptr;
        __le32 dbgm_config_ptr;
        __le32 alive_counter_ptr;
        __le32 scd_base_ptr;            /* SRAM address for SCD */
} __packed; /* ALIVE_RES_API_S_VER_1 */

struct mvm_alive_resp_ver2 {
        __le16 status;
        __le16 flags;
        u8 ucode_minor;
        u8 ucode_major;
        __le16 id;
        u8 api_minor;
        u8 api_major;
        u8 ver_subtype;
        u8 ver_type;
        u8 mac;
        u8 opt;
        __le16 reserved2;
        __le32 timestamp;
        __le32 error_event_table_ptr;   /* SRAM address for error log */
        __le32 log_event_table_ptr;     /* SRAM address for LMAC event log */
        __le32 cpu_register_ptr;
        __le32 dbgm_config_ptr;
        __le32 alive_counter_ptr;
        __le32 scd_base_ptr;            /* SRAM address for SCD */
        __le32 st_fwrd_addr;            /* pointer to Store and forward */
        __le32 st_fwrd_size;
        u8 umac_minor;                  /* UMAC version: minor */
        u8 umac_major;                  /* UMAC version: major */
        __le16 umac_id;                 /* UMAC version: id */
        __le32 error_info_addr;         /* SRAM address for UMAC error log */
        __le32 dbg_print_buff_addr;
} __packed; /* ALIVE_RES_API_S_VER_2 */

/* Error response/notification */
enum {
        FW_ERR_UNKNOWN_CMD = 0x0,
        FW_ERR_INVALID_CMD_PARAM = 0x1,
        FW_ERR_SERVICE = 0x2,
        FW_ERR_ARC_MEMORY = 0x3,
        FW_ERR_ARC_CODE = 0x4,
        FW_ERR_WATCH_DOG = 0x5,
        FW_ERR_WEP_GRP_KEY_INDX = 0x10,
        FW_ERR_WEP_KEY_SIZE = 0x11,
        FW_ERR_OBSOLETE_FUNC = 0x12,
        FW_ERR_UNEXPECTED = 0xFE,
        FW_ERR_FATAL = 0xFF
};

/**
 * struct iwl_error_resp - FW error indication
 * ( REPLY_ERROR = 0x2 )
 * @error_type: one of FW_ERR_*
 * @cmd_id: the command ID for which the error occured
 * @bad_cmd_seq_num: sequence number of the erroneous command
 * @error_service: which service created the error, applicable only if
 *      error_type = 2, otherwise 0
 * @timestamp: TSF in usecs.
 */
struct iwl_error_resp {
        __le32 error_type;
        u8 cmd_id;
        u8 reserved1;
        __le16 bad_cmd_seq_num;
        __le32 error_service;
        __le64 timestamp;
} __packed;


/* Common PHY, MAC and Bindings definitions */

#define MAX_MACS_IN_BINDING     (3)
#define MAX_BINDINGS            (4)
#define AUX_BINDING_INDEX       (3)
#define MAX_PHYS                (4)

/* Used to extract ID and color from the context dword */
#define FW_CTXT_ID_POS    (0)
#define FW_CTXT_ID_MSK    (0xff << FW_CTXT_ID_POS)
#define FW_CTXT_COLOR_POS (8)
#define FW_CTXT_COLOR_MSK (0xff << FW_CTXT_COLOR_POS)
#define FW_CTXT_INVALID   (0xffffffff)

#define FW_CMD_ID_AND_COLOR(_id, _color) ((_id << FW_CTXT_ID_POS) |\
                                          (_color << FW_CTXT_COLOR_POS))

/* Possible actions on PHYs, MACs and Bindings */
enum {
        FW_CTXT_ACTION_STUB = 0,
        FW_CTXT_ACTION_ADD,
        FW_CTXT_ACTION_MODIFY,
        FW_CTXT_ACTION_REMOVE,
        FW_CTXT_ACTION_NUM
}; /* COMMON_CONTEXT_ACTION_API_E_VER_1 */

/* Time Events */

/* Time Event types, according to MAC type */
enum iwl_time_event_type {
        /* BSS Station Events */
        TE_BSS_STA_AGGRESSIVE_ASSOC,
        TE_BSS_STA_ASSOC,
        TE_BSS_EAP_DHCP_PROT,
        TE_BSS_QUIET_PERIOD,

        /* P2P Device Events */
        TE_P2P_DEVICE_DISCOVERABLE,
        TE_P2P_DEVICE_LISTEN,
        TE_P2P_DEVICE_ACTION_SCAN,
        TE_P2P_DEVICE_FULL_SCAN,

        /* P2P Client Events */
        TE_P2P_CLIENT_AGGRESSIVE_ASSOC,
        TE_P2P_CLIENT_ASSOC,
        TE_P2P_CLIENT_QUIET_PERIOD,

        /* P2P GO Events */
        TE_P2P_GO_ASSOC_PROT,
        TE_P2P_GO_REPETITIVE_NOA,
        TE_P2P_GO_CT_WINDOW,

        /* WiDi Sync Events */
        TE_WIDI_TX_SYNC,

        /* Channel Switch NoA */
        TE_CHANNEL_SWITCH_PERIOD,

        TE_MAX
}; /* MAC_EVENT_TYPE_API_E_VER_1 */



/* Time event - defines for command API v1 */

/*
 * @TE_V1_FRAG_NONE: fragmentation of the time event is NOT allowed.
 * @TE_V1_FRAG_SINGLE: fragmentation of the time event is allowed, but only
 *      the first fragment is scheduled.
 * @TE_V1_FRAG_DUAL: fragmentation of the time event is allowed, but only
 *      the first 2 fragments are scheduled.
 * @TE_V1_FRAG_ENDLESS: fragmentation of the time event is allowed, and any
 *      number of fragments are valid.
 *
 * Other than the constant defined above, specifying a fragmentation value 'x'
 * means that the event can be fragmented but only the first 'x' will be
 * scheduled.
 */
enum {
        TE_V1_FRAG_NONE = 0,
        TE_V1_FRAG_SINGLE = 1,
        TE_V1_FRAG_DUAL = 2,
        TE_V1_FRAG_ENDLESS = 0xffffffff
};

/* If a Time Event can be fragmented, this is the max number of fragments */
#define TE_V1_FRAG_MAX_MSK      0x0fffffff
/* Repeat the time event endlessly (until removed) */
#define TE_V1_REPEAT_ENDLESS    0xffffffff
/* If a Time Event has bounded repetitions, this is the maximal value */
#define TE_V1_REPEAT_MAX_MSK_V1 0x0fffffff

/* Time Event dependencies: none, on another TE, or in a specific time */
enum {
        TE_V1_INDEPENDENT               = 0,
        TE_V1_DEP_OTHER                 = BIT(0),
        TE_V1_DEP_TSF                   = BIT(1),
        TE_V1_EVENT_SOCIOPATHIC         = BIT(2),
}; /* MAC_EVENT_DEPENDENCY_POLICY_API_E_VER_2 */

/*
 * @TE_V1_NOTIF_NONE: no notifications
 * @TE_V1_NOTIF_HOST_EVENT_START: request/receive notification on event start
 * @TE_V1_NOTIF_HOST_EVENT_END:request/receive notification on event end
 * @TE_V1_NOTIF_INTERNAL_EVENT_START: internal FW use
 * @TE_V1_NOTIF_INTERNAL_EVENT_END: internal FW use.
 * @TE_V1_NOTIF_HOST_FRAG_START: request/receive notification on frag start
 * @TE_V1_NOTIF_HOST_FRAG_END:request/receive notification on frag end
 * @TE_V1_NOTIF_INTERNAL_FRAG_START: internal FW use.
 * @TE_V1_NOTIF_INTERNAL_FRAG_END: internal FW use.
 *
 * Supported Time event notifications configuration.
 * A notification (both event and fragment) includes a status indicating weather
 * the FW was able to schedule the event or not. For fragment start/end
 * notification the status is always success. There is no start/end fragment
 * notification for monolithic events.
 */
enum {
        TE_V1_NOTIF_NONE = 0,
        TE_V1_NOTIF_HOST_EVENT_START = BIT(0),
        TE_V1_NOTIF_HOST_EVENT_END = BIT(1),
        TE_V1_NOTIF_INTERNAL_EVENT_START = BIT(2),
        TE_V1_NOTIF_INTERNAL_EVENT_END = BIT(3),
        TE_V1_NOTIF_HOST_FRAG_START = BIT(4),
        TE_V1_NOTIF_HOST_FRAG_END = BIT(5),
        TE_V1_NOTIF_INTERNAL_FRAG_START = BIT(6),
        TE_V1_NOTIF_INTERNAL_FRAG_END = BIT(7),
}; /* MAC_EVENT_ACTION_API_E_VER_2 */

/* Time event - defines for command API */

/*
 * @TE_V2_FRAG_NONE: fragmentation of the time event is NOT allowed.
 * @TE_V2_FRAG_SINGLE: fragmentation of the time event is allowed, but only
 *  the first fragment is scheduled.
 * @TE_V2_FRAG_DUAL: fragmentation of the time event is allowed, but only
 *  the first 2 fragments are scheduled.
 * @TE_V2_FRAG_ENDLESS: fragmentation of the time event is allowed, and any
 *  number of fragments are valid.
 *
 * Other than the constant defined above, specifying a fragmentation value 'x'
 * means that the event can be fragmented but only the first 'x' will be
 * scheduled.
 */
enum {
        TE_V2_FRAG_NONE = 0,
        TE_V2_FRAG_SINGLE = 1,
        TE_V2_FRAG_DUAL = 2,
        TE_V2_FRAG_MAX = 0xfe,
        TE_V2_FRAG_ENDLESS = 0xff
};

/* Repeat the time event endlessly (until removed) */
#define TE_V2_REPEAT_ENDLESS    0xff
/* If a Time Event has bounded repetitions, this is the maximal value */
#define TE_V2_REPEAT_MAX        0xfe

#define TE_V2_PLACEMENT_POS     12
#define TE_V2_ABSENCE_POS       15

/* Time event policy values
 * A notification (both event and fragment) includes a status indicating weather
 * the FW was able to schedule the event or not. For fragment start/end
 * notification the status is always success. There is no start/end fragment
 * notification for monolithic events.
 *
 * @TE_V2_DEFAULT_POLICY: independent, social, present, unoticable
 * @TE_V2_NOTIF_HOST_EVENT_START: request/receive notification on event start
 * @TE_V2_NOTIF_HOST_EVENT_END:request/receive notification on event end
 * @TE_V2_NOTIF_INTERNAL_EVENT_START: internal FW use
 * @TE_V2_NOTIF_INTERNAL_EVENT_END: internal FW use.
 * @TE_V2_NOTIF_HOST_FRAG_START: request/receive notification on frag start
 * @TE_V2_NOTIF_HOST_FRAG_END:request/receive notification on frag end
 * @TE_V2_NOTIF_INTERNAL_FRAG_START: internal FW use.
 * @TE_V2_NOTIF_INTERNAL_FRAG_END: internal FW use.
 * @TE_V2_DEP_OTHER: depends on another time event
 * @TE_V2_DEP_TSF: depends on a specific time
 * @TE_V2_EVENT_SOCIOPATHIC: can't co-exist with other events of tha same MAC
 * @TE_V2_ABSENCE: are we present or absent during the Time Event.
 */
enum {
        TE_V2_DEFAULT_POLICY = 0x0,

        /* notifications (event start/stop, fragment start/stop) */
        TE_V2_NOTIF_HOST_EVENT_START = BIT(0),
        TE_V2_NOTIF_HOST_EVENT_END = BIT(1),
        TE_V2_NOTIF_INTERNAL_EVENT_START = BIT(2),
        TE_V2_NOTIF_INTERNAL_EVENT_END = BIT(3),

        TE_V2_NOTIF_HOST_FRAG_START = BIT(4),
        TE_V2_NOTIF_HOST_FRAG_END = BIT(5),
        TE_V2_NOTIF_INTERNAL_FRAG_START = BIT(6),
        TE_V2_NOTIF_INTERNAL_FRAG_END = BIT(7),
        T2_V2_START_IMMEDIATELY = BIT(11),

        TE_V2_NOTIF_MSK = 0xff,

        /* placement characteristics */
        TE_V2_DEP_OTHER = BIT(TE_V2_PLACEMENT_POS),
        TE_V2_DEP_TSF = BIT(TE_V2_PLACEMENT_POS + 1),
        TE_V2_EVENT_SOCIOPATHIC = BIT(TE_V2_PLACEMENT_POS + 2),

        /* are we present or absent during the Time Event. */
        TE_V2_ABSENCE = BIT(TE_V2_ABSENCE_POS),
};

/**
 * struct iwl_time_event_cmd_api - configuring Time Events
 * with struct MAC_TIME_EVENT_DATA_API_S_VER_2 (see also
 * with version 1. determined by IWL_UCODE_TLV_FLAGS)
 * ( TIME_EVENT_CMD = 0x29 )
 * @id_and_color: ID and color of the relevant MAC
 * @action: action to perform, one of FW_CTXT_ACTION_*
 * @id: this field has two meanings, depending on the action:
 *      If the action is ADD, then it means the type of event to add.
 *      For all other actions it is the unique event ID assigned when the
 *      event was added by the FW.
 * @apply_time: When to start the Time Event (in GP2)
 * @max_delay: maximum delay to event's start (apply time), in TU
 * @depends_on: the unique ID of the event we depend on (if any)
 * @interval: interval between repetitions, in TU
 * @duration: duration of event in TU
 * @repeat: how many repetitions to do, can be TE_REPEAT_ENDLESS
 * @max_frags: maximal number of fragments the Time Event can be divided to
 * @policy: defines whether uCode shall notify the host or other uCode modules
 *      on event and/or fragment start and/or end
 *      using one of TE_INDEPENDENT, TE_DEP_OTHER, TE_DEP_TSF
 *      TE_EVENT_SOCIOPATHIC
 *      using TE_ABSENCE and using TE_NOTIF_*
 */
struct iwl_time_event_cmd {
        /* COMMON_INDEX_HDR_API_S_VER_1 */
        __le32 id_and_color;
        __le32 action;
        __le32 id;
        /* MAC_TIME_EVENT_DATA_API_S_VER_2 */
        __le32 apply_time;
        __le32 max_delay;
        __le32 depends_on;
        __le32 interval;
        __le32 duration;
        u8 repeat;
        u8 max_frags;
        __le16 policy;
} __packed; /* MAC_TIME_EVENT_CMD_API_S_VER_2 */

/**
 * struct iwl_time_event_resp - response structure to iwl_time_event_cmd
 * @status: bit 0 indicates success, all others specify errors
 * @id: the Time Event type
 * @unique_id: the unique ID assigned (in ADD) or given (others) to the TE
 * @id_and_color: ID and color of the relevant MAC
 */
struct iwl_time_event_resp {
        __le32 status;
        __le32 id;
        __le32 unique_id;
        __le32 id_and_color;
} __packed; /* MAC_TIME_EVENT_RSP_API_S_VER_1 */

/**
 * struct iwl_time_event_notif - notifications of time event start/stop
 * ( TIME_EVENT_NOTIFICATION = 0x2a )
 * @timestamp: action timestamp in GP2
 * @session_id: session's unique id
 * @unique_id: unique id of the Time Event itself
 * @id_and_color: ID and color of the relevant MAC
 * @action: one of TE_NOTIF_START or TE_NOTIF_END
 * @status: true if scheduled, false otherwise (not executed)
 */
struct iwl_time_event_notif {
        __le32 timestamp;
        __le32 session_id;
        __le32 unique_id;
        __le32 id_and_color;
        __le32 action;
        __le32 status;
} __packed; /* MAC_TIME_EVENT_NTFY_API_S_VER_1 */


/* Bindings and Time Quota */

/**
 * struct iwl_binding_cmd - configuring bindings
 * ( BINDING_CONTEXT_CMD = 0x2b )
 * @id_and_color: ID and color of the relevant Binding
 * @action: action to perform, one of FW_CTXT_ACTION_*
 * @macs: array of MAC id and colors which belong to the binding
 * @phy: PHY id and color which belongs to the binding
 */
struct iwl_binding_cmd {
        /* COMMON_INDEX_HDR_API_S_VER_1 */
        __le32 id_and_color;
        __le32 action;
        /* BINDING_DATA_API_S_VER_1 */
        __le32 macs[MAX_MACS_IN_BINDING];
        __le32 phy;
} __packed; /* BINDING_CMD_API_S_VER_1 */

/* The maximal number of fragments in the FW's schedule session */
#define IWL_MVM_MAX_QUOTA 128

/**
 * struct iwl_time_quota_data - configuration of time quota per binding
 * @id_and_color: ID and color of the relevant Binding
 * @quota: absolute time quota in TU. The scheduler will try to divide the
 *      remainig quota (after Time Events) according to this quota.
 * @max_duration: max uninterrupted context duration in TU
 */
struct iwl_time_quota_data {
        __le32 id_and_color;
        __le32 quota;
        __le32 max_duration;
} __packed; /* TIME_QUOTA_DATA_API_S_VER_1 */

/**
 * struct iwl_time_quota_cmd - configuration of time quota between bindings
 * ( TIME_QUOTA_CMD = 0x2c )
 * @quotas: allocations per binding
 */
struct iwl_time_quota_cmd {
        struct iwl_time_quota_data quotas[MAX_BINDINGS];
} __packed; /* TIME_QUOTA_ALLOCATION_CMD_API_S_VER_1 */


/* PHY context */

/* Supported bands */
#define PHY_BAND_5  (0)
#define PHY_BAND_24 (1)

/* Supported channel width, vary if there is VHT support */
#define PHY_VHT_CHANNEL_MODE20  (0x0)
#define PHY_VHT_CHANNEL_MODE40  (0x1)
#define PHY_VHT_CHANNEL_MODE80  (0x2)
#define PHY_VHT_CHANNEL_MODE160 (0x3)

/*
 * Control channel position:
 * For legacy set bit means upper channel, otherwise lower.
 * For VHT - bit-2 marks if the control is lower/upper relative to center-freq
 *   bits-1:0 mark the distance from the center freq. for 20Mhz, offset is 0.
 *                                   center_freq
 *                                        |
 * 40Mhz                          |_______|_______|
 * 80Mhz                  |_______|_______|_______|_______|
 * 160Mhz |_______|_______|_______|_______|_______|_______|_______|_______|
 * code      011     010     001     000  |  100     101     110    111
 */
#define PHY_VHT_CTRL_POS_1_BELOW  (0x0)
#define PHY_VHT_CTRL_POS_2_BELOW  (0x1)
#define PHY_VHT_CTRL_POS_3_BELOW  (0x2)
#define PHY_VHT_CTRL_POS_4_BELOW  (0x3)
#define PHY_VHT_CTRL_POS_1_ABOVE  (0x4)
#define PHY_VHT_CTRL_POS_2_ABOVE  (0x5)
#define PHY_VHT_CTRL_POS_3_ABOVE  (0x6)
#define PHY_VHT_CTRL_POS_4_ABOVE  (0x7)

/*
 * @band: PHY_BAND_*
 * @channel: channel number
 * @width: PHY_[VHT|LEGACY]_CHANNEL_*
 * @ctrl channel: PHY_[VHT|LEGACY]_CTRL_*
 */
struct iwl_fw_channel_info {
        u8 band;
        u8 channel;
        u8 width;
        u8 ctrl_pos;
} __packed;

#define PHY_RX_CHAIN_DRIVER_FORCE_POS   (0)
#define PHY_RX_CHAIN_DRIVER_FORCE_MSK \
        (0x1 << PHY_RX_CHAIN_DRIVER_FORCE_POS)
#define PHY_RX_CHAIN_VALID_POS          (1)
#define PHY_RX_CHAIN_VALID_MSK \
        (0x7 << PHY_RX_CHAIN_VALID_POS)
#define PHY_RX_CHAIN_FORCE_SEL_POS      (4)
#define PHY_RX_CHAIN_FORCE_SEL_MSK \
        (0x7 << PHY_RX_CHAIN_FORCE_SEL_POS)
#define PHY_RX_CHAIN_FORCE_MIMO_SEL_POS (7)
#define PHY_RX_CHAIN_FORCE_MIMO_SEL_MSK \
        (0x7 << PHY_RX_CHAIN_FORCE_MIMO_SEL_POS)
#define PHY_RX_CHAIN_CNT_POS            (10)
#define PHY_RX_CHAIN_CNT_MSK \
        (0x3 << PHY_RX_CHAIN_CNT_POS)
#define PHY_RX_CHAIN_MIMO_CNT_POS       (12)
#define PHY_RX_CHAIN_MIMO_CNT_MSK \
        (0x3 << PHY_RX_CHAIN_MIMO_CNT_POS)
#define PHY_RX_CHAIN_MIMO_FORCE_POS     (14)
#define PHY_RX_CHAIN_MIMO_FORCE_MSK \
        (0x1 << PHY_RX_CHAIN_MIMO_FORCE_POS)

/* TODO: fix the value, make it depend on firmware at runtime? */
#define NUM_PHY_CTX     3

/* TODO: complete missing documentation */
/**
 * struct iwl_phy_context_cmd - config of the PHY context
 * ( PHY_CONTEXT_CMD = 0x8 )
 * @id_and_color: ID and color of the relevant Binding
 * @action: action to perform, one of FW_CTXT_ACTION_*
 * @apply_time: 0 means immediate apply and context switch.
 *      other value means apply new params after X usecs
 * @tx_param_color: ???
 * @channel_info:
 * @txchain_info: ???
 * @rxchain_info: ???
 * @acquisition_data: ???
 * @dsp_cfg_flags: set to 0
 */
struct iwl_phy_context_cmd {
        /* COMMON_INDEX_HDR_API_S_VER_1 */
        __le32 id_and_color;
        __le32 action;
        /* PHY_CONTEXT_DATA_API_S_VER_1 */
        __le32 apply_time;
        __le32 tx_param_color;
        struct iwl_fw_channel_info ci;
        __le32 txchain_info;
        __le32 rxchain_info;
        __le32 acquisition_data;
        __le32 dsp_cfg_flags;
} __packed; /* PHY_CONTEXT_CMD_API_VER_1 */

/*
 * Aux ROC command
 *
 * Command requests the firmware to create a time event for a certain duration
 * and remain on the given channel. This is done by using the Aux framework in
 * the FW.
 * The command was first used for Hot Spot issues - but can be used regardless
 * to Hot Spot.
 *
 * ( HOT_SPOT_CMD 0x53 )
 *
 * @id_and_color: ID and color of the MAC
 * @action: action to perform, one of FW_CTXT_ACTION_*
 * @event_unique_id: If the action FW_CTXT_ACTION_REMOVE then the
 *      event_unique_id should be the id of the time event assigned by ucode.
 *      Otherwise ignore the event_unique_id.
 * @sta_id_and_color: station id and color, resumed during "Remain On Channel"
 *      activity.
 * @channel_info: channel info
 * @node_addr: Our MAC Address
 * @reserved: reserved for alignment
 * @apply_time: GP2 value to start (should always be the current GP2 value)
 * @apply_time_max_delay: Maximum apply time delay value in TU. Defines max
 *      time by which start of the event is allowed to be postponed.
 * @duration: event duration in TU To calculate event duration:
 *      timeEventDuration = min(duration, remainingQuota)
 */
struct iwl_hs20_roc_req {
        /* COMMON_INDEX_HDR_API_S_VER_1 hdr */
        __le32 id_and_color;
        __le32 action;
        __le32 event_unique_id;
        __le32 sta_id_and_color;
        struct iwl_fw_channel_info channel_info;
        u8 node_addr[ETH_ALEN];
        __le16 reserved;
        __le32 apply_time;
        __le32 apply_time_max_delay;
        __le32 duration;
} __packed; /* HOT_SPOT_CMD_API_S_VER_1 */

/*
 * values for AUX ROC result values
 */
enum iwl_mvm_hot_spot {
        HOT_SPOT_RSP_STATUS_OK,
        HOT_SPOT_RSP_STATUS_TOO_MANY_EVENTS,
        HOT_SPOT_MAX_NUM_OF_SESSIONS,
};

/*
 * Aux ROC command response
 *
 * In response to iwl_hs20_roc_req the FW sends this command to notify the
 * driver the uid of the timevent.
 *
 * ( HOT_SPOT_CMD 0x53 )
 *
 * @event_unique_id: Unique ID of time event assigned by ucode
 * @status: Return status 0 is success, all the rest used for specific errors
 */
struct iwl_hs20_roc_res {
        __le32 event_unique_id;
        __le32 status;
} __packed; /* HOT_SPOT_RSP_API_S_VER_1 */

#define IWL_RX_INFO_PHY_CNT 8
#define IWL_RX_INFO_ENERGY_ANT_ABC_IDX 1
#define IWL_RX_INFO_ENERGY_ANT_A_MSK 0x000000ff
#define IWL_RX_INFO_ENERGY_ANT_B_MSK 0x0000ff00
#define IWL_RX_INFO_ENERGY_ANT_C_MSK 0x00ff0000
#define IWL_RX_INFO_ENERGY_ANT_A_POS 0
#define IWL_RX_INFO_ENERGY_ANT_B_POS 8
#define IWL_RX_INFO_ENERGY_ANT_C_POS 16

#define IWL_RX_INFO_AGC_IDX 1
#define IWL_RX_INFO_RSSI_AB_IDX 2
#define IWL_OFDM_AGC_A_MSK 0x0000007f
#define IWL_OFDM_AGC_A_POS 0
#define IWL_OFDM_AGC_B_MSK 0x00003f80
#define IWL_OFDM_AGC_B_POS 7
#define IWL_OFDM_AGC_CODE_MSK 0x3fe00000
#define IWL_OFDM_AGC_CODE_POS 20
#define IWL_OFDM_RSSI_INBAND_A_MSK 0x00ff
#define IWL_OFDM_RSSI_A_POS 0
#define IWL_OFDM_RSSI_ALLBAND_A_MSK 0xff00
#define IWL_OFDM_RSSI_ALLBAND_A_POS 8
#define IWL_OFDM_RSSI_INBAND_B_MSK 0xff0000
#define IWL_OFDM_RSSI_B_POS 16
#define IWL_OFDM_RSSI_ALLBAND_B_MSK 0xff000000
#define IWL_OFDM_RSSI_ALLBAND_B_POS 24

/**
 * struct iwl_rx_phy_info - phy info
 * (REPLY_RX_PHY_CMD = 0xc0)
 * @non_cfg_phy_cnt: non configurable DSP phy data byte count
 * @cfg_phy_cnt: configurable DSP phy data byte count
 * @stat_id: configurable DSP phy data set ID
 * @reserved1:
 * @system_timestamp: GP2  at on air rise
 * @timestamp: TSF at on air rise
 * @beacon_time_stamp: beacon at on-air rise
 * @phy_flags: general phy flags: band, modulation, ...
 * @channel: channel number
 * @non_cfg_phy_buf: for various implementations of non_cfg_phy
 * @rate_n_flags: RATE_MCS_*
 * @byte_count: frame's byte-count
 * @frame_time: frame's time on the air, based on byte count and frame rate
 *      calculation
 * @mac_active_msk: what MACs were active when the frame was received
 *
 * Before each Rx, the device sends this data. It contains PHY information
 * about the reception of the packet.
 */
struct iwl_rx_phy_info {
        u8 non_cfg_phy_cnt;
        u8 cfg_phy_cnt;
        u8 stat_id;
        u8 reserved1;
        __le32 system_timestamp;
        __le64 timestamp;
        __le32 beacon_time_stamp;
        __le16 phy_flags;
        __le16 channel;
        __le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT];
        __le32 rate_n_flags;
        __le32 byte_count;
        __le16 mac_active_msk;
        __le16 frame_time;
} __packed;

struct iwl_rx_mpdu_res_start {
        __le16 byte_count;
        __le16 reserved;
} __packed;

/**
 * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags
 * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band
 * @RX_RES_PHY_FLAGS_MOD_CCK:
 * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short
 * @RX_RES_PHY_FLAGS_NARROW_BAND:
 * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received
 * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU
 * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame
 * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble
 * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame
 */
enum iwl_rx_phy_flags {
        RX_RES_PHY_FLAGS_BAND_24        = BIT(0),
        RX_RES_PHY_FLAGS_MOD_CCK        = BIT(1),
        RX_RES_PHY_FLAGS_SHORT_PREAMBLE = BIT(2),
        RX_RES_PHY_FLAGS_NARROW_BAND    = BIT(3),
        RX_RES_PHY_FLAGS_ANTENNA        = (0x7 << 4),
        RX_RES_PHY_FLAGS_ANTENNA_POS    = 4,
        RX_RES_PHY_FLAGS_AGG            = BIT(7),
        RX_RES_PHY_FLAGS_OFDM_HT        = BIT(8),
        RX_RES_PHY_FLAGS_OFDM_GF        = BIT(9),
        RX_RES_PHY_FLAGS_OFDM_VHT       = BIT(10),
};

/**
 * enum iwl_mvm_rx_status - written by fw for each Rx packet
 * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine
 * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow
 * @RX_MPDU_RES_STATUS_SRC_STA_FOUND:
 * @RX_MPDU_RES_STATUS_KEY_VALID:
 * @RX_MPDU_RES_STATUS_KEY_PARAM_OK:
 * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed
 * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked
 *      in the driver.
 * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine
 * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR:  valid for alg = CCM_CMAC or
 *      alg = CCM only. Checks replay attack for 11w frames. Relevant only if
 *      %RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set.
 * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted
 * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP
 * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM
 * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP
 * @RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC: this frame is encrypted using CCM_CMAC
 * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted
 * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm
 * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted
 * @RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP:
 * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP:
 * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT:
 * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame
 * @RX_MPDU_RES_STATUS_HASH_INDEX_MSK:
 * @RX_MPDU_RES_STATUS_STA_ID_MSK:
 * @RX_MPDU_RES_STATUS_RRF_KILL:
 * @RX_MPDU_RES_STATUS_FILTERING_MSK:
 * @RX_MPDU_RES_STATUS2_FILTERING_MSK:
 */
enum iwl_mvm_rx_status {
        RX_MPDU_RES_STATUS_CRC_OK                       = BIT(0),
        RX_MPDU_RES_STATUS_OVERRUN_OK                   = BIT(1),
        RX_MPDU_RES_STATUS_SRC_STA_FOUND                = BIT(2),
        RX_MPDU_RES_STATUS_KEY_VALID                    = BIT(3),
        RX_MPDU_RES_STATUS_KEY_PARAM_OK                 = BIT(4),
        RX_MPDU_RES_STATUS_ICV_OK                       = BIT(5),
        RX_MPDU_RES_STATUS_MIC_OK                       = BIT(6),
        RX_MPDU_RES_STATUS_TTAK_OK                      = BIT(7),
        RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR         = BIT(7),
        RX_MPDU_RES_STATUS_SEC_NO_ENC                   = (0 << 8),
        RX_MPDU_RES_STATUS_SEC_WEP_ENC                  = (1 << 8),
        RX_MPDU_RES_STATUS_SEC_CCM_ENC                  = (2 << 8),
        RX_MPDU_RES_STATUS_SEC_TKIP_ENC                 = (3 << 8),
        RX_MPDU_RES_STATUS_SEC_EXT_ENC                  = (4 << 8),
        RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC             = (6 << 8),
        RX_MPDU_RES_STATUS_SEC_ENC_ERR                  = (7 << 8),
        RX_MPDU_RES_STATUS_SEC_ENC_MSK                  = (7 << 8),
        RX_MPDU_RES_STATUS_DEC_DONE                     = BIT(11),
        RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP        = BIT(12),
        RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP               = BIT(13),
        RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT               = BIT(14),
        RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME             = BIT(15),
        RX_MPDU_RES_STATUS_HASH_INDEX_MSK               = (0x3F0000),
        RX_MPDU_RES_STATUS_STA_ID_MSK                   = (0x1f000000),
        RX_MPDU_RES_STATUS_RRF_KILL                     = BIT(29),
        RX_MPDU_RES_STATUS_FILTERING_MSK                = (0xc00000),
        RX_MPDU_RES_STATUS2_FILTERING_MSK               = (0xc0000000),
};

/**
 * struct iwl_radio_version_notif - information on the radio version
 * ( RADIO_VERSION_NOTIFICATION = 0x68 )
 * @radio_flavor:
 * @radio_step:
 * @radio_dash:
 */
struct iwl_radio_version_notif {
        __le32 radio_flavor;
        __le32 radio_step;
        __le32 radio_dash;
} __packed; /* RADIO_VERSION_NOTOFICATION_S_VER_1 */

enum iwl_card_state_flags {
        CARD_ENABLED            = 0x00,
        HW_CARD_DISABLED        = 0x01,
        SW_CARD_DISABLED        = 0x02,
        CT_KILL_CARD_DISABLED   = 0x04,
        HALT_CARD_DISABLED      = 0x08,
        CARD_DISABLED_MSK       = 0x0f,
        CARD_IS_RX_ON           = 0x10,
};

/**
 * struct iwl_radio_version_notif - information on the radio version
 * ( CARD_STATE_NOTIFICATION = 0xa1 )
 * @flags: %iwl_card_state_flags
 */
struct iwl_card_state_notif {
        __le32 flags;
} __packed; /* CARD_STATE_NTFY_API_S_VER_1 */

/**
 * struct iwl_missed_beacons_notif - information on missed beacons
 * ( MISSED_BEACONS_NOTIFICATION = 0xa2 )
 * @mac_id: interface ID
 * @consec_missed_beacons_since_last_rx: number of consecutive missed
 *      beacons since last RX.
 * @consec_missed_beacons: number of consecutive missed beacons
 * @num_expected_beacons:
 * @num_recvd_beacons:
 */
struct iwl_missed_beacons_notif {
        __le32 mac_id;
        __le32 consec_missed_beacons_since_last_rx;
        __le32 consec_missed_beacons;
        __le32 num_expected_beacons;
        __le32 num_recvd_beacons;
} __packed; /* MISSED_BEACON_NTFY_API_S_VER_3 */

/**
 * struct iwl_set_calib_default_cmd - set default value for calibration.
 * ( SET_CALIB_DEFAULT_CMD = 0x8e )
 * @calib_index: the calibration to set value for
 * @length: of data
 * @data: the value to set for the calibration result
 */
struct iwl_set_calib_default_cmd {
        __le16 calib_index;
        __le16 length;
        u8 data[0];
} __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */

#define MAX_PORT_ID_NUM 2
#define MAX_MCAST_FILTERING_ADDRESSES 256

/**
 * struct iwl_mcast_filter_cmd - configure multicast filter.
 * @filter_own: Set 1 to filter out multicast packets sent by station itself
 * @port_id:    Multicast MAC addresses array specifier. This is a strange way
 *              to identify network interface adopted in host-device IF.
 *              It is used by FW as index in array of addresses. This array has
 *              MAX_PORT_ID_NUM members.
 * @count:      Number of MAC addresses in the array
 * @pass_all:   Set 1 to pass all multicast packets.
 * @bssid:      current association BSSID.
 * @addr_list:  Place holder for array of MAC addresses.
 *              IMPORTANT: add padding if necessary to ensure DWORD alignment.
 */
struct iwl_mcast_filter_cmd {
        u8 filter_own;
        u8 port_id;
        u8 count;
        u8 pass_all;
        u8 bssid[6];
        u8 reserved[2];
        u8 addr_list[0];
} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */

#define MAX_BCAST_FILTERS 8
#define MAX_BCAST_FILTER_ATTRS 2

/**
 * enum iwl_mvm_bcast_filter_attr_offset - written by fw for each Rx packet
 * @BCAST_FILTER_OFFSET_PAYLOAD_START: offset is from payload start.
 * @BCAST_FILTER_OFFSET_IP_END: offset is from ip header end (i.e.
 *      start of ip payload).
 */
enum iwl_mvm_bcast_filter_attr_offset {
        BCAST_FILTER_OFFSET_PAYLOAD_START = 0,
        BCAST_FILTER_OFFSET_IP_END = 1,
};

/**
 * struct iwl_fw_bcast_filter_attr - broadcast filter attribute
 * @offset_type:        &enum iwl_mvm_bcast_filter_attr_offset.
 * @offset:     starting offset of this pattern.
 * @val:                value to match - big endian (MSB is the first
 *              byte to match from offset pos).
 * @mask:       mask to match (big endian).
 */
struct iwl_fw_bcast_filter_attr {
        u8 offset_type;
        u8 offset;
        __le16 reserved1;
        __be32 val;
        __be32 mask;
} __packed; /* BCAST_FILTER_ATT_S_VER_1 */

/**
 * enum iwl_mvm_bcast_filter_frame_type - filter frame type
 * @BCAST_FILTER_FRAME_TYPE_ALL: consider all frames.
 * @BCAST_FILTER_FRAME_TYPE_IPV4: consider only ipv4 frames
 */
enum iwl_mvm_bcast_filter_frame_type {
        BCAST_FILTER_FRAME_TYPE_ALL = 0,
        BCAST_FILTER_FRAME_TYPE_IPV4 = 1,
};

/**
 * struct iwl_fw_bcast_filter - broadcast filter
 * @discard: discard frame (1) or let it pass (0).
 * @frame_type: &enum iwl_mvm_bcast_filter_frame_type.
 * @num_attrs: number of valid attributes in this filter.
 * @attrs: attributes of this filter. a filter is considered matched
 *      only when all its attributes are matched (i.e. AND relationship)
 */
struct iwl_fw_bcast_filter {
        u8 discard;
        u8 frame_type;
        u8 num_attrs;
        u8 reserved1;
        struct iwl_fw_bcast_filter_attr attrs[MAX_BCAST_FILTER_ATTRS];
} __packed; /* BCAST_FILTER_S_VER_1 */

/**
 * struct iwl_fw_bcast_mac - per-mac broadcast filtering configuration.
 * @default_discard: default action for this mac (discard (1) / pass (0)).
 * @attached_filters: bitmap of relevant filters for this mac.
 */
struct iwl_fw_bcast_mac {
        u8 default_discard;
        u8 reserved1;
        __le16 attached_filters;
} __packed; /* BCAST_MAC_CONTEXT_S_VER_1 */

/**
 * struct iwl_bcast_filter_cmd - broadcast filtering configuration
 * @disable: enable (0) / disable (1)
 * @max_bcast_filters: max number of filters (MAX_BCAST_FILTERS)
 * @max_macs: max number of macs (NUM_MAC_INDEX_DRIVER)
 * @filters: broadcast filters
 * @macs: broadcast filtering configuration per-mac
 */
struct iwl_bcast_filter_cmd {
        u8 disable;
        u8 max_bcast_filters;
        u8 max_macs;
        u8 reserved1;
        struct iwl_fw_bcast_filter filters[MAX_BCAST_FILTERS];
        struct iwl_fw_bcast_mac macs[NUM_MAC_INDEX_DRIVER];
} __packed; /* BCAST_FILTERING_HCMD_API_S_VER_1 */

/*
 * enum iwl_mvm_marker_id - maker ids
 *
 * The ids for different type of markers to insert into the usniffer logs
 */
enum iwl_mvm_marker_id {
        MARKER_ID_TX_FRAME_LATENCY = 1,
}; /* MARKER_ID_API_E_VER_1 */

/**
 * struct iwl_mvm_marker - mark info into the usniffer logs
 *
 * (MARKER_CMD = 0xcb)
 *
 * Mark the UTC time stamp into the usniffer logs together with additional
 * metadata, so the usniffer output can be parsed.
 * In the command response the ucode will return the GP2 time.
 *
 * @dw_len: The amount of dwords following this byte including this byte.
 * @marker_id: A unique marker id (iwl_mvm_marker_id).
 * @reserved: reserved.
 * @timestamp: in milliseconds since 1970-01-01 00:00:00 UTC
 * @metadata: additional meta data that will be written to the unsiffer log
 */
struct iwl_mvm_marker {
        u8 dwLen;
        u8 markerId;
        __le16 reserved;
        __le64 timestamp;
        __le32 metadata[0];
} __packed; /* MARKER_API_S_VER_1 */

struct mvm_statistics_dbg {
        __le32 burst_check;
        __le32 burst_count;
        __le32 wait_for_silence_timeout_cnt;
        __le32 reserved[3];
} __packed; /* STATISTICS_DEBUG_API_S_VER_2 */

struct mvm_statistics_div {
        __le32 tx_on_a;
        __le32 tx_on_b;
        __le32 exec_time;
        __le32 probe_time;
        __le32 rssi_ant;
        __le32 reserved2;
} __packed; /* STATISTICS_SLOW_DIV_API_S_VER_2 */

struct mvm_statistics_general_common {
        __le32 temperature;   /* radio temperature */
        __le32 temperature_m; /* radio voltage */
        struct mvm_statistics_dbg dbg;
        __le32 sleep_time;
        __le32 slots_out;
        __le32 slots_idle;
        __le32 ttl_timestamp;
        struct mvm_statistics_div div;
        __le32 rx_enable_counter;
        /*
         * num_of_sos_states:
         *  count the number of times we have to re-tune
         *  in order to get out of bad PHY status
         */
        __le32 num_of_sos_states;
} __packed; /* STATISTICS_GENERAL_API_S_VER_5 */

struct mvm_statistics_rx_non_phy {
        __le32 bogus_cts;       /* CTS received when not expecting CTS */
        __le32 bogus_ack;       /* ACK received when not expecting ACK */
        __le32 non_bssid_frames;        /* number of frames with BSSID that
                                         * doesn't belong to the STA BSSID */
        __le32 filtered_frames; /* count frames that were dumped in the
                                 * filtering process */
        __le32 non_channel_beacons;     /* beacons with our bss id but not on
                                         * our serving channel */
        __le32 channel_beacons; /* beacons with our bss id and in our
                                 * serving channel */
        __le32 num_missed_bcon; /* number of missed beacons */
        __le32 adc_rx_saturation_time;  /* count in 0.8us units the time the
                                         * ADC was in saturation */
        __le32 ina_detection_search_time;/* total time (in 0.8us) searched
                                          * for INA */
        __le32 beacon_silence_rssi_a;   /* RSSI silence after beacon frame */
        __le32 beacon_silence_rssi_b;   /* RSSI silence after beacon frame */
        __le32 beacon_silence_rssi_c;   /* RSSI silence after beacon frame */
        __le32 interference_data_flag;  /* flag for interference data
                                         * availability. 1 when data is
                                         * available. */
        __le32 channel_load;            /* counts RX Enable time in uSec */
        __le32 dsp_false_alarms;        /* DSP false alarm (both OFDM
                                         * and CCK) counter */
        __le32 beacon_rssi_a;
        __le32 beacon_rssi_b;
        __le32 beacon_rssi_c;
        __le32 beacon_energy_a;
        __le32 beacon_energy_b;
        __le32 beacon_energy_c;
        __le32 num_bt_kills;
        __le32 mac_id;
        __le32 directed_data_mpdu;
} __packed; /* STATISTICS_RX_NON_PHY_API_S_VER_3 */

struct mvm_statistics_rx_phy {
        __le32 ina_cnt;
        __le32 fina_cnt;
        __le32 plcp_err;
        __le32 crc32_err;
        __le32 overrun_err;
        __le32 early_overrun_err;
        __le32 crc32_good;
        __le32 false_alarm_cnt;
        __le32 fina_sync_err_cnt;
        __le32 sfd_timeout;
        __le32 fina_timeout;
        __le32 unresponded_rts;
        __le32 rxe_frame_limit_overrun;
        __le32 sent_ack_cnt;
        __le32 sent_cts_cnt;
        __le32 sent_ba_rsp_cnt;
        __le32 dsp_self_kill;
        __le32 mh_format_err;
        __le32 re_acq_main_rssi_sum;
        __le32 reserved;
} __packed; /* STATISTICS_RX_PHY_API_S_VER_2 */

struct mvm_statistics_rx_ht_phy {
        __le32 plcp_err;
        __le32 overrun_err;
        __le32 early_overrun_err;
        __le32 crc32_good;
        __le32 crc32_err;
        __le32 mh_format_err;
        __le32 agg_crc32_good;
        __le32 agg_mpdu_cnt;
        __le32 agg_cnt;
        __le32 unsupport_mcs;
} __packed;  /* STATISTICS_HT_RX_PHY_API_S_VER_1 */

#define MAX_CHAINS 3

struct mvm_statistics_tx_non_phy_agg {
        __le32 ba_timeout;
        __le32 ba_reschedule_frames;
        __le32 scd_query_agg_frame_cnt;
        __le32 scd_query_no_agg;
        __le32 scd_query_agg;
        __le32 scd_query_mismatch;
        __le32 frame_not_ready;
        __le32 underrun;
        __le32 bt_prio_kill;
        __le32 rx_ba_rsp_cnt;
        __s8 txpower[MAX_CHAINS];
        __s8 reserved;
        __le32 reserved2;
} __packed; /* STATISTICS_TX_NON_PHY_AGG_API_S_VER_1 */

struct mvm_statistics_tx_channel_width {
        __le32 ext_cca_narrow_ch20[1];
        __le32 ext_cca_narrow_ch40[2];
        __le32 ext_cca_narrow_ch80[3];
        __le32 ext_cca_narrow_ch160[4];
        __le32 last_tx_ch_width_indx;
        __le32 rx_detected_per_ch_width[4];
        __le32 success_per_ch_width[4];
        __le32 fail_per_ch_width[4];
}; /* STATISTICS_TX_CHANNEL_WIDTH_API_S_VER_1 */

struct mvm_statistics_tx {
        __le32 preamble_cnt;
        __le32 rx_detected_cnt;
        __le32 bt_prio_defer_cnt;
        __le32 bt_prio_kill_cnt;
        __le32 few_bytes_cnt;
        __le32 cts_timeout;
        __le32 ack_timeout;
        __le32 expected_ack_cnt;
        __le32 actual_ack_cnt;
        __le32 dump_msdu_cnt;
        __le32 burst_abort_next_frame_mismatch_cnt;
        __le32 burst_abort_missing_next_frame_cnt;
        __le32 cts_timeout_collision;
        __le32 ack_or_ba_timeout_collision;
        struct mvm_statistics_tx_non_phy_agg agg;
        struct mvm_statistics_tx_channel_width channel_width;
} __packed; /* STATISTICS_TX_API_S_VER_4 */


struct mvm_statistics_bt_activity {
        __le32 hi_priority_tx_req_cnt;
        __le32 hi_priority_tx_denied_cnt;
        __le32 lo_priority_tx_req_cnt;
        __le32 lo_priority_tx_denied_cnt;
        __le32 hi_priority_rx_req_cnt;
        __le32 hi_priority_rx_denied_cnt;
        __le32 lo_priority_rx_req_cnt;
        __le32 lo_priority_rx_denied_cnt;
} __packed;  /* STATISTICS_BT_ACTIVITY_API_S_VER_1 */

struct mvm_statistics_general {
        struct mvm_statistics_general_common common;
        __le32 beacon_filtered;
        __le32 missed_beacons;
        __s8 beacon_filter_average_energy;
        __s8 beacon_filter_reason;
        __s8 beacon_filter_current_energy;
        __s8 beacon_filter_reserved;
        __le32 beacon_filter_delta_time;
        struct mvm_statistics_bt_activity bt_activity;
} __packed; /* STATISTICS_GENERAL_API_S_VER_5 */

struct mvm_statistics_rx {
        struct mvm_statistics_rx_phy ofdm;
        struct mvm_statistics_rx_phy cck;
        struct mvm_statistics_rx_non_phy general;
        struct mvm_statistics_rx_ht_phy ofdm_ht;
} __packed; /* STATISTICS_RX_API_S_VER_3 */

/*
 * STATISTICS_NOTIFICATION = 0x9d (notification only, not a command)
 *
 * By default, uCode issues this notification after receiving a beacon
 * while associated.  To disable this behavior, set DISABLE_NOTIF flag in the
 * REPLY_STATISTICS_CMD 0x9c, above.
 *
 * Statistics counters continue to increment beacon after beacon, but are
 * cleared when changing channels or when driver issues REPLY_STATISTICS_CMD
 * 0x9c with CLEAR_STATS bit set (see above).
 *
 * uCode also issues this notification during scans.  uCode clears statistics
 * appropriately so that each notification contains statistics for only the
 * one channel that has just been scanned.
 */

struct iwl_notif_statistics { /* STATISTICS_NTFY_API_S_VER_8 */
        __le32 flag;
        struct mvm_statistics_rx rx;
        struct mvm_statistics_tx tx;
        struct mvm_statistics_general general;
} __packed;

/***********************************
 * Smart Fifo API
 ***********************************/
/* Smart Fifo state */
enum iwl_sf_state {
        SF_LONG_DELAY_ON = 0, /* should never be called by driver */
        SF_FULL_ON,
        SF_UNINIT,
        SF_INIT_OFF,
        SF_HW_NUM_STATES
};

/* Smart Fifo possible scenario */
enum iwl_sf_scenario {
        SF_SCENARIO_SINGLE_UNICAST,
        SF_SCENARIO_AGG_UNICAST,
        SF_SCENARIO_MULTICAST,
        SF_SCENARIO_BA_RESP,
        SF_SCENARIO_TX_RESP,
        SF_NUM_SCENARIO
};

#define SF_TRANSIENT_STATES_NUMBER 2    /* SF_LONG_DELAY_ON and SF_FULL_ON */
#define SF_NUM_TIMEOUT_TYPES 2          /* Aging timer and Idle timer */

/* smart FIFO default values */
#define SF_W_MARK_SISO 4096
#define SF_W_MARK_MIMO2 8192
#define SF_W_MARK_MIMO3 6144
#define SF_W_MARK_LEGACY 4096
#define SF_W_MARK_SCAN 4096

/* SF Scenarios timers for FULL_ON state (aligned to 32 uSec) */
#define SF_SINGLE_UNICAST_IDLE_TIMER 320        /* 300 uSec  */
#define SF_SINGLE_UNICAST_AGING_TIMER 2016      /* 2 mSec */
#define SF_AGG_UNICAST_IDLE_TIMER 320           /* 300 uSec */
#define SF_AGG_UNICAST_AGING_TIMER 2016         /* 2 mSec */
#define SF_MCAST_IDLE_TIMER 2016                /* 2 mSec */
#define SF_MCAST_AGING_TIMER 10016              /* 10 mSec */
#define SF_BA_IDLE_TIMER 320                    /* 300 uSec */
#define SF_BA_AGING_TIMER 2016                  /* 2 mSec */
#define SF_TX_RE_IDLE_TIMER 320                 /* 300 uSec */
#define SF_TX_RE_AGING_TIMER 2016               /* 2 mSec */

#define SF_LONG_DELAY_AGING_TIMER 1000000       /* 1 Sec */

#define SF_CFG_DUMMY_NOTIF_OFF  BIT(16)

/**
 * Smart Fifo configuration command.
 * @state: smart fifo state, types listed in enum %iwl_sf_sate.
 * @watermark: Minimum allowed availabe free space in RXF for transient state.
 * @long_delay_timeouts: aging and idle timer values for each scenario
 * in long delay state.
 * @full_on_timeouts: timer values for each scenario in full on state.
 */
struct iwl_sf_cfg_cmd {
        __le32 state;
        __le32 watermark[SF_TRANSIENT_STATES_NUMBER];
        __le32 long_delay_timeouts[SF_NUM_SCENARIO][SF_NUM_TIMEOUT_TYPES];
        __le32 full_on_timeouts[SF_NUM_SCENARIO][SF_NUM_TIMEOUT_TYPES];
} __packed; /* SF_CFG_API_S_VER_2 */

/* DTS measurements */

enum iwl_dts_measurement_flags {
        DTS_TRIGGER_CMD_FLAGS_TEMP      = BIT(0),
        DTS_TRIGGER_CMD_FLAGS_VOLT      = BIT(1),
};

/**
 * iwl_dts_measurement_cmd - request DTS temperature and/or voltage measurements
 *
 * @flags: indicates which measurements we want as specified in &enum
 *         iwl_dts_measurement_flags
 */
struct iwl_dts_measurement_cmd {
        __le32 flags;
} __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_CMD_S */

/**
 * iwl_dts_measurement_notif - notification received with the measurements
 *
 * @temp: the measured temperature
 * @voltage: the measured voltage
 */
struct iwl_dts_measurement_notif {
        __le32 temp;
        __le32 voltage;
} __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_NTFY_S */

/**
 * enum iwl_scd_control - scheduler config command control flags
 * @IWL_SCD_CONTROL_RM_TID: remove TID from this queue
 * @IWL_SCD_CONTROL_SET_SSN: use the SSN and program it into HW
 */
enum iwl_scd_control {
        IWL_SCD_CONTROL_RM_TID  = BIT(4),
        IWL_SCD_CONTROL_SET_SSN = BIT(5),
};

/**
 * enum iwl_scd_flags - scheduler config command flags
 * @IWL_SCD_FLAGS_SHARE_TID: multiple TIDs map to this queue
 * @IWL_SCD_FLAGS_SHARE_RA: multiple RAs map to this queue
 * @IWL_SCD_FLAGS_DQA_ENABLED: DQA is enabled
 */
enum iwl_scd_flags {
        IWL_SCD_FLAGS_SHARE_TID         = BIT(0),
        IWL_SCD_FLAGS_SHARE_RA          = BIT(1),
        IWL_SCD_FLAGS_DQA_ENABLED       = BIT(2),
};

#define IWL_SCDQ_INVALID_STA    0xff

/**
 * struct iwl_scd_txq_cfg_cmd - New txq hw scheduler config command
 * @token:      dialog token addba - unused legacy
 * @sta_id:     station id 4-bit
 * @tid:        TID 0..7
 * @scd_queue:  TFD queue num 0 .. 31
 * @enable:     1 queue enable, 0 queue disable
 * @aggregate:  1 aggregated queue, 0 otherwise
 * @tx_fifo:    tx fifo num 0..7
 * @window:     up to 64
 * @ssn:        starting seq num 12-bit
 * @control:    command control flags
 * @flags:      flags - see &enum iwl_scd_flags
 *
 * Note that every time the command is sent, all parameters must
 * be filled with the exception of
 *  - the SSN, which is only used with @IWL_SCD_CONTROL_SET_SSN
 *  - the window, which is only relevant when starting aggregation
 */
struct iwl_scd_txq_cfg_cmd {
        u8 token;
        u8 sta_id;
        u8 tid;
        u8 scd_queue;
        u8 enable;
        u8 aggregate;
        u8 tx_fifo;
        u8 window;
        __le16 ssn;
        u8 control;
        u8 flags;
} __packed;

/***********************************
 * TDLS API
 ***********************************/

/* Type of TDLS request */
enum iwl_tdls_channel_switch_type {
        TDLS_SEND_CHAN_SW_REQ = 0,
        TDLS_SEND_CHAN_SW_RESP_AND_MOVE_CH,
        TDLS_MOVE_CH,
}; /* TDLS_STA_CHANNEL_SWITCH_CMD_TYPE_API_E_VER_1 */

/**
 * Switch timing sub-element in a TDLS channel-switch command
 * @frame_timestamp: GP2 timestamp of channel-switch request/response packet
 *      received from peer
 * @max_offchan_duration: What amount of microseconds out of a DTIM is given
 *      to the TDLS off-channel communication. For instance if the DTIM is
 *      200TU and the TDLS peer is to be given 25% of the time, the value
 *      given will be 50TU, or 50 * 1024 if translated into microseconds.
 * @switch_time: switch time the peer sent in its channel switch timing IE
 * @switch_timout: switch timeout the peer sent in its channel switch timing IE
 */
struct iwl_tdls_channel_switch_timing {
        __le32 frame_timestamp; /* GP2 time of peer packet Rx */
        __le32 max_offchan_duration; /* given in micro-seconds */
        __le32 switch_time; /* given in micro-seconds */
        __le32 switch_timeout; /* given in micro-seconds */
} __packed; /* TDLS_STA_CHANNEL_SWITCH_TIMING_DATA_API_S_VER_1 */

#define IWL_TDLS_CH_SW_FRAME_MAX_SIZE 200

/**
 * TDLS channel switch frame template
 *
 * A template representing a TDLS channel-switch request or response frame
 *
 * @switch_time_offset: offset to the channel switch timing IE in the template
 * @tx_cmd: Tx parameters for the frame
 * @data: frame data
 */
struct iwl_tdls_channel_switch_frame {
        __le32 switch_time_offset;
        struct iwl_tx_cmd tx_cmd;
        u8 data[IWL_TDLS_CH_SW_FRAME_MAX_SIZE];
} __packed; /* TDLS_STA_CHANNEL_SWITCH_FRAME_API_S_VER_1 */

/**
 * TDLS channel switch command
 *
 * The command is sent to initiate a channel switch and also in response to
 * incoming TDLS channel-switch request/response packets from remote peers.
 *
 * @switch_type: see &enum iwl_tdls_channel_switch_type
 * @peer_sta_id: station id of TDLS peer
 * @ci: channel we switch to
 * @timing: timing related data for command
 * @frame: channel-switch request/response template, depending to switch_type
 */
struct iwl_tdls_channel_switch_cmd {
        u8 switch_type;
        __le32 peer_sta_id;
        struct iwl_fw_channel_info ci;
        struct iwl_tdls_channel_switch_timing timing;
        struct iwl_tdls_channel_switch_frame frame;
} __packed; /* TDLS_STA_CHANNEL_SWITCH_CMD_API_S_VER_1 */

/**
 * TDLS channel switch start notification
 *
 * @status: non-zero on success
 * @offchannel_duration: duration given in microseconds
 * @sta_id: peer currently performing the channel-switch with
 */
struct iwl_tdls_channel_switch_notif {
        __le32 status;
        __le32 offchannel_duration;
        __le32 sta_id;
} __packed; /* TDLS_STA_CHANNEL_SWITCH_NTFY_API_S_VER_1 */

#endif /* __fw_api_h__ */