/*
 * This file is part of wl1271
 *
 * Copyright (C) 2009 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 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 St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef __CONF_H__
#define __CONF_H__

enum {
        CONF_HW_BIT_RATE_1MBPS   = BIT(0),
        CONF_HW_BIT_RATE_2MBPS   = BIT(1),
        CONF_HW_BIT_RATE_5_5MBPS = BIT(2),
        CONF_HW_BIT_RATE_6MBPS   = BIT(3),
        CONF_HW_BIT_RATE_9MBPS   = BIT(4),
        CONF_HW_BIT_RATE_11MBPS  = BIT(5),
        CONF_HW_BIT_RATE_12MBPS  = BIT(6),
        CONF_HW_BIT_RATE_18MBPS  = BIT(7),
        CONF_HW_BIT_RATE_22MBPS  = BIT(8),
        CONF_HW_BIT_RATE_24MBPS  = BIT(9),
        CONF_HW_BIT_RATE_36MBPS  = BIT(10),
        CONF_HW_BIT_RATE_48MBPS  = BIT(11),
        CONF_HW_BIT_RATE_54MBPS  = BIT(12),
        CONF_HW_BIT_RATE_MCS_0   = BIT(13),
        CONF_HW_BIT_RATE_MCS_1   = BIT(14),
        CONF_HW_BIT_RATE_MCS_2   = BIT(15),
        CONF_HW_BIT_RATE_MCS_3   = BIT(16),
        CONF_HW_BIT_RATE_MCS_4   = BIT(17),
        CONF_HW_BIT_RATE_MCS_5   = BIT(18),
        CONF_HW_BIT_RATE_MCS_6   = BIT(19),
        CONF_HW_BIT_RATE_MCS_7   = BIT(20),
        CONF_HW_BIT_RATE_MCS_8   = BIT(21),
        CONF_HW_BIT_RATE_MCS_9   = BIT(22),
        CONF_HW_BIT_RATE_MCS_10  = BIT(23),
        CONF_HW_BIT_RATE_MCS_11  = BIT(24),
        CONF_HW_BIT_RATE_MCS_12  = BIT(25),
        CONF_HW_BIT_RATE_MCS_13  = BIT(26),
        CONF_HW_BIT_RATE_MCS_14  = BIT(27),
        CONF_HW_BIT_RATE_MCS_15  = BIT(28),
};

enum {
        CONF_HW_RATE_INDEX_1MBPS      = 0,
        CONF_HW_RATE_INDEX_2MBPS      = 1,
        CONF_HW_RATE_INDEX_5_5MBPS    = 2,
        CONF_HW_RATE_INDEX_11MBPS     = 3,
        CONF_HW_RATE_INDEX_6MBPS      = 4,
        CONF_HW_RATE_INDEX_9MBPS      = 5,
        CONF_HW_RATE_INDEX_12MBPS     = 6,
        CONF_HW_RATE_INDEX_18MBPS     = 7,
        CONF_HW_RATE_INDEX_24MBPS     = 8,
        CONF_HW_RATE_INDEX_36MBPS     = 9,
        CONF_HW_RATE_INDEX_48MBPS     = 10,
        CONF_HW_RATE_INDEX_54MBPS     = 11,
        CONF_HW_RATE_INDEX_MCS0       = 12,
        CONF_HW_RATE_INDEX_MCS1       = 13,
        CONF_HW_RATE_INDEX_MCS2       = 14,
        CONF_HW_RATE_INDEX_MCS3       = 15,
        CONF_HW_RATE_INDEX_MCS4       = 16,
        CONF_HW_RATE_INDEX_MCS5       = 17,
        CONF_HW_RATE_INDEX_MCS6       = 18,
        CONF_HW_RATE_INDEX_MCS7       = 19,
        CONF_HW_RATE_INDEX_MCS7_SGI   = 20,
        CONF_HW_RATE_INDEX_MCS0_40MHZ = 21,
        CONF_HW_RATE_INDEX_MCS1_40MHZ = 22,
        CONF_HW_RATE_INDEX_MCS2_40MHZ = 23,
        CONF_HW_RATE_INDEX_MCS3_40MHZ = 24,
        CONF_HW_RATE_INDEX_MCS4_40MHZ = 25,
        CONF_HW_RATE_INDEX_MCS5_40MHZ = 26,
        CONF_HW_RATE_INDEX_MCS6_40MHZ = 27,
        CONF_HW_RATE_INDEX_MCS7_40MHZ = 28,
        CONF_HW_RATE_INDEX_MCS7_40MHZ_SGI = 29,

        /* MCS8+ rates overlap with 40Mhz rates */
        CONF_HW_RATE_INDEX_MCS8       = 21,
        CONF_HW_RATE_INDEX_MCS9       = 22,
        CONF_HW_RATE_INDEX_MCS10      = 23,
        CONF_HW_RATE_INDEX_MCS11      = 24,
        CONF_HW_RATE_INDEX_MCS12      = 25,
        CONF_HW_RATE_INDEX_MCS13      = 26,
        CONF_HW_RATE_INDEX_MCS14      = 27,
        CONF_HW_RATE_INDEX_MCS15      = 28,
        CONF_HW_RATE_INDEX_MCS15_SGI  = 29,

        CONF_HW_RATE_INDEX_MAX        = CONF_HW_RATE_INDEX_MCS7_40MHZ_SGI,
};

#define CONF_HW_RXTX_RATE_UNSUPPORTED 0xff

enum {
        CONF_SG_DISABLE = 0,
        CONF_SG_PROTECTIVE,
        CONF_SG_OPPORTUNISTIC
};

enum {
        /*
         * Configure the min and max time BT gains the antenna
         * in WLAN / BT master basic rate
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_ACL_BT_MASTER_MIN_BR = 0,
        CONF_SG_ACL_BT_MASTER_MAX_BR,

        /*
         * Configure the min and max time BT gains the antenna
         * in WLAN / BT slave basic rate
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_ACL_BT_SLAVE_MIN_BR,
        CONF_SG_ACL_BT_SLAVE_MAX_BR,

        /*
         * Configure the min and max time BT gains the antenna
         * in WLAN / BT master EDR
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_ACL_BT_MASTER_MIN_EDR,
        CONF_SG_ACL_BT_MASTER_MAX_EDR,

        /*
         * Configure the min and max time BT gains the antenna
         * in WLAN / BT slave EDR
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_ACL_BT_SLAVE_MIN_EDR,
        CONF_SG_ACL_BT_SLAVE_MAX_EDR,

        /*
         * The maximum time WLAN can gain the antenna
         * in WLAN PSM / BT master/slave BR
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_ACL_WLAN_PS_MASTER_BR,
        CONF_SG_ACL_WLAN_PS_SLAVE_BR,

        /*
         * The maximum time WLAN can gain the antenna
         * in WLAN PSM / BT master/slave EDR
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_ACL_WLAN_PS_MASTER_EDR,
        CONF_SG_ACL_WLAN_PS_SLAVE_EDR,

        /* TODO: explain these values */
        CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR,
        CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR,
        CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR,
        CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR,
        CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR,
        CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR,
        CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR,
        CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR,

        CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR,
        CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR,
        CONF_SG_ACL_PASSIVE_SCAN_BT_BR,
        CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR,
        CONF_SG_ACL_PASSIVE_SCAN_BT_EDR,
        CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR,

        /*
         * Compensation percentage of probe requests when scan initiated
         * during BT voice/ACL link.
         *
         * Range: 0 - 255 (%)
         */
        CONF_SG_AUTO_SCAN_PROBE_REQ,

        /*
         * Compensation percentage of probe requests when active scan initiated
         * during BT voice
         *
         * Range: 0 - 255 (%)
         */
        CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3,

        /*
         * Compensation percentage of WLAN active scan window if initiated
         * during BT A2DP
         *
         * Range: 0 - 1000 (%)
         */
        CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP,

        /*
         * Compensation percentage of WLAN passive scan window if initiated
         * during BT A2DP BR
         *
         * Range: 0 - 1000 (%)
         */
        CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_BR,

        /*
         * Compensation percentage of WLAN passive scan window if initiated
         * during BT A2DP EDR
         *
         * Range: 0 - 1000 (%)
         */
        CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_EDR,

        /*
         * Compensation percentage of WLAN passive scan window if initiated
         * during BT voice
         *
         * Range: 0 - 1000 (%)
         */
        CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3,

        /* TODO: explain these values */
        CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN,
        CONF_SG_BCN_HV3_COLLISION_THRESH_IN_PASSIVE_SCAN,
        CONF_SG_TX_RX_PROTECTION_BWIDTH_IN_PASSIVE_SCAN,

        /*
         * Defines whether the SG will force WLAN host to enter/exit PSM
         *
         * Range: 1 - SG can force, 0 - host handles PSM
         */
        CONF_SG_STA_FORCE_PS_IN_BT_SCO,

        /*
         * Defines antenna configuration (single/dual antenna)
         *
         * Range: 0 - single antenna, 1 - dual antenna
         */
        CONF_SG_ANTENNA_CONFIGURATION,

        /*
         * The threshold (percent) of max consecutive beacon misses before
         * increasing priority of beacon reception.
         *
         * Range: 0 - 100 (%)
         */
        CONF_SG_BEACON_MISS_PERCENT,

        /*
         * Protection time of the DHCP procedure.
         *
         * Range: 0 - 100000 (ms)
         */
        CONF_SG_DHCP_TIME,

        /*
         * RX guard time before the beginning of a new BT voice frame during
         * which no new WLAN trigger frame is transmitted.
         *
         * Range: 0 - 100000 (us)
         */
        CONF_SG_RXT,

        /*
         * TX guard time before the beginning of a new BT voice frame during
         * which no new WLAN frame is transmitted.
         *
         * Range: 0 - 100000 (us)
         */

        CONF_SG_TXT,

        /*
         * Enable adaptive RXT/TXT algorithm. If disabled, the host values
         * will be utilized.
         *
         * Range: 0 - disable, 1 - enable
         */
        CONF_SG_ADAPTIVE_RXT_TXT,

        /* TODO: explain this value */
        CONF_SG_GENERAL_USAGE_BIT_MAP,

        /*
         * Number of consecutive BT voice frames not interrupted by WLAN
         *
         * Range: 0 - 100
         */
        CONF_SG_HV3_MAX_SERVED,

        /*
         * The used WLAN legacy service period during active BT ACL link
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_PS_POLL_TIMEOUT,

        /*
         * The used WLAN UPSD service period during active BT ACL link
         *
         * Range: 0 - 255 (ms)
         */
        CONF_SG_UPSD_TIMEOUT,

        CONF_SG_CONSECUTIVE_CTS_THRESHOLD,
        CONF_SG_STA_RX_WINDOW_AFTER_DTIM,
        CONF_SG_STA_CONNECTION_PROTECTION_TIME,

        /* AP params */
        CONF_AP_BEACON_MISS_TX,
        CONF_AP_RX_WINDOW_AFTER_BEACON,
        CONF_AP_BEACON_WINDOW_INTERVAL,
        CONF_AP_CONNECTION_PROTECTION_TIME,
        CONF_AP_BT_ACL_VAL_BT_SERVE_TIME,
        CONF_AP_BT_ACL_VAL_WL_SERVE_TIME,

        /* CTS Diluting params */
        CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH,
        CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER,

        CONF_SG_TEMP_PARAM_1,
        CONF_SG_TEMP_PARAM_2,
        CONF_SG_TEMP_PARAM_3,
        CONF_SG_TEMP_PARAM_4,
        CONF_SG_TEMP_PARAM_5,
        CONF_SG_TEMP_PARAM_6,
        CONF_SG_TEMP_PARAM_7,
        CONF_SG_TEMP_PARAM_8,
        CONF_SG_TEMP_PARAM_9,
        CONF_SG_TEMP_PARAM_10,

        CONF_SG_PARAMS_MAX,
        CONF_SG_PARAMS_ALL = 0xff
};

struct conf_sg_settings {
        u32 params[CONF_SG_PARAMS_MAX];
        u8 state;
} __packed;

enum conf_rx_queue_type {
        CONF_RX_QUEUE_TYPE_LOW_PRIORITY,  /* All except the high priority */
        CONF_RX_QUEUE_TYPE_HIGH_PRIORITY, /* Management and voice packets */
};

struct conf_rx_settings {
        /*
         * The maximum amount of time, in TU, before the
         * firmware discards the MSDU.
         *
         * Range: 0 - 0xFFFFFFFF
         */
        u32 rx_msdu_life_time;

        /*
         * Packet detection threshold in the PHY.
         *
         * FIXME: details unknown.
         */
        u32 packet_detection_threshold;

        /*
         * The longest time the STA will wait to receive traffic from the AP
         * after a PS-poll has been transmitted.
         *
         * Range: 0 - 200000
         */
        u16 ps_poll_timeout;
        /*
         * The longest time the STA will wait to receive traffic from the AP
         * after a frame has been sent from an UPSD enabled queue.
         *
         * Range: 0 - 200000
         */
        u16 upsd_timeout;

        /*
         * The number of octets in an MPDU, below which an RTS/CTS
         * handshake is not performed.
         *
         * Range: 0 - 4096
         */
        u16 rts_threshold;

        /*
         * The RX Clear Channel Assessment threshold in the PHY
         * (the energy threshold).
         *
         * Range: ENABLE_ENERGY_D  == 0x140A
         *        DISABLE_ENERGY_D == 0xFFEF
         */
        u16 rx_cca_threshold;

        /*
         * Occupied Rx mem-blocks number which requires interrupting the host
         * (0 = no buffering, 0xffff = disabled).
         *
         * Range: u16
         */
        u16 irq_blk_threshold;

        /*
         * Rx packets number which requires interrupting the host
         * (0 = no buffering).
         *
         * Range: u16
         */
        u16 irq_pkt_threshold;

        /*
         * Max time in msec the FW may delay RX-Complete interrupt.
         *
         * Range: 1 - 100
         */
        u16 irq_timeout;

        /*
         * The RX queue type.
         *
         * Range: RX_QUEUE_TYPE_RX_LOW_PRIORITY, RX_QUEUE_TYPE_RX_HIGH_PRIORITY,
         */
        u8 queue_type;
} __packed;

#define CONF_TX_MAX_RATE_CLASSES       10

#define CONF_TX_RATE_MASK_UNSPECIFIED  0
#define CONF_TX_RATE_MASK_BASIC        (CONF_HW_BIT_RATE_1MBPS | \
                                        CONF_HW_BIT_RATE_2MBPS)
#define CONF_TX_RATE_RETRY_LIMIT       10

/* basic rates for p2p operations (probe req/resp, etc.) */
#define CONF_TX_RATE_MASK_BASIC_P2P    CONF_HW_BIT_RATE_6MBPS

/*
 * Rates supported for data packets when operating as STA/AP. Note the absence
 * of the 22Mbps rate. There is a FW limitation on 12 rates so we must drop
 * one. The rate dropped is not mandatory under any operating mode.
 */
#define CONF_TX_ENABLED_RATES       (CONF_HW_BIT_RATE_1MBPS |    \
        CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS |      \
        CONF_HW_BIT_RATE_6MBPS | CONF_HW_BIT_RATE_9MBPS |        \
        CONF_HW_BIT_RATE_11MBPS | CONF_HW_BIT_RATE_12MBPS |      \
        CONF_HW_BIT_RATE_18MBPS | CONF_HW_BIT_RATE_24MBPS |      \
        CONF_HW_BIT_RATE_36MBPS | CONF_HW_BIT_RATE_48MBPS |      \
        CONF_HW_BIT_RATE_54MBPS)

#define CONF_TX_CCK_RATES  (CONF_HW_BIT_RATE_1MBPS |            \
        CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS |     \
        CONF_HW_BIT_RATE_11MBPS)

#define CONF_TX_OFDM_RATES (CONF_HW_BIT_RATE_6MBPS |             \
        CONF_HW_BIT_RATE_12MBPS | CONF_HW_BIT_RATE_24MBPS |      \
        CONF_HW_BIT_RATE_36MBPS | CONF_HW_BIT_RATE_48MBPS |      \
        CONF_HW_BIT_RATE_54MBPS)

#define CONF_TX_MCS_RATES (CONF_HW_BIT_RATE_MCS_0 |              \
        CONF_HW_BIT_RATE_MCS_1 | CONF_HW_BIT_RATE_MCS_2 |        \
        CONF_HW_BIT_RATE_MCS_3 | CONF_HW_BIT_RATE_MCS_4 |        \
        CONF_HW_BIT_RATE_MCS_5 | CONF_HW_BIT_RATE_MCS_6 |        \
        CONF_HW_BIT_RATE_MCS_7)

#define CONF_TX_MIMO_RATES (CONF_HW_BIT_RATE_MCS_8 |             \
        CONF_HW_BIT_RATE_MCS_9 | CONF_HW_BIT_RATE_MCS_10 |       \
        CONF_HW_BIT_RATE_MCS_11 | CONF_HW_BIT_RATE_MCS_12 |      \
        CONF_HW_BIT_RATE_MCS_13 | CONF_HW_BIT_RATE_MCS_14 |      \
        CONF_HW_BIT_RATE_MCS_15)

/*
 * Default rates for management traffic when operating in AP mode. This
 * should be configured according to the basic rate set of the AP
 */
#define CONF_TX_AP_DEFAULT_MGMT_RATES  (CONF_HW_BIT_RATE_1MBPS | \
        CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS)

/* default rates for working as IBSS (11b and OFDM) */
#define CONF_TX_IBSS_DEFAULT_RATES  (CONF_HW_BIT_RATE_1MBPS |       \
                CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS | \
                CONF_HW_BIT_RATE_11MBPS | CONF_TX_OFDM_RATES);

struct conf_tx_rate_class {

        /*
         * The rates enabled for this rate class.
         *
         * Range: CONF_HW_BIT_RATE_* bit mask
         */
        u32 enabled_rates;

        /*
         * The dot11 short retry limit used for TX retries.
         *
         * Range: u8
         */
        u8 short_retry_limit;

        /*
         * The dot11 long retry limit used for TX retries.
         *
         * Range: u8
         */
        u8 long_retry_limit;

        /*
         * Flags controlling the attributes of TX transmission.
         *
         * Range: bit 0: Truncate - when set, FW attempts to send a frame stop
         *               when the total valid per-rate attempts have
         *               been exhausted; otherwise transmissions
         *               will continue at the lowest available rate
         *               until the appropriate one of the
         *               short_retry_limit, long_retry_limit,
         *               dot11_max_transmit_msdu_life_time, or
         *               max_tx_life_time, is exhausted.
         *            1: Preamble Override - indicates if the preamble type
         *               should be used in TX.
         *            2: Preamble Type - the type of the preamble to be used by
         *               the policy (0 - long preamble, 1 - short preamble.
         */
        u8 aflags;
} __packed;

#define CONF_TX_MAX_AC_COUNT 4

/* Slot number setting to start transmission at PIFS interval */
#define CONF_TX_AIFS_PIFS 1
/* Slot number setting to start transmission at DIFS interval normal
 * DCF access */
#define CONF_TX_AIFS_DIFS 2


enum conf_tx_ac {
        CONF_TX_AC_BE = 0,         /* best effort / legacy */
        CONF_TX_AC_BK = 1,         /* background */
        CONF_TX_AC_VI = 2,         /* video */
        CONF_TX_AC_VO = 3,         /* voice */
        CONF_TX_AC_CTS2SELF = 4,   /* fictitious AC, follows AC_VO */
        CONF_TX_AC_ANY_TID = 0xff
};

struct conf_tx_ac_category {
        /*
         * The AC class identifier.
         *
         * Range: enum conf_tx_ac
         */
        u8 ac;

        /*
         * The contention window minimum size (in slots) for the access
         * class.
         *
         * Range: u8
         */
        u8 cw_min;

        /*
         * The contention window maximum size (in slots) for the access
         * class.
         *
         * Range: u8
         */
        u16 cw_max;

        /*
         * The AIF value (in slots) for the access class.
         *
         * Range: u8
         */
        u8 aifsn;

        /*
         * The TX Op Limit (in microseconds) for the access class.
         *
         * Range: u16
         */
        u16 tx_op_limit;
} __packed;

#define CONF_TX_MAX_TID_COUNT 8

/* Allow TX BA on all TIDs but 6,7. These are currently reserved in the FW */
#define CONF_TX_BA_ENABLED_TID_BITMAP 0x3F

enum {
        CONF_CHANNEL_TYPE_DCF = 0,   /* DC/LEGACY*/
        CONF_CHANNEL_TYPE_EDCF = 1,  /* EDCA*/
        CONF_CHANNEL_TYPE_HCCA = 2,  /* HCCA*/
};

enum {
        CONF_PS_SCHEME_LEGACY = 0,
        CONF_PS_SCHEME_UPSD_TRIGGER = 1,
        CONF_PS_SCHEME_LEGACY_PSPOLL = 2,
        CONF_PS_SCHEME_SAPSD = 3,
};

enum {
        CONF_ACK_POLICY_LEGACY = 0,
        CONF_ACK_POLICY_NO_ACK = 1,
        CONF_ACK_POLICY_BLOCK = 2,
};


struct conf_tx_tid {
        u8 queue_id;
        u8 channel_type;
        u8 tsid;
        u8 ps_scheme;
        u8 ack_policy;
        u32 apsd_conf[2];
} __packed;

struct conf_tx_settings {
        /*
         * The TX ED value for TELEC Enable/Disable.
         *
         * Range: 0, 1
         */
        u8 tx_energy_detection;

        /*
         * Configuration for rate classes for TX (currently only one
         * rate class supported). Used in non-AP mode.
         */
        struct conf_tx_rate_class sta_rc_conf;

        /*
         * Configuration for access categories for TX rate control.
         */
        u8 ac_conf_count;
        struct conf_tx_ac_category ac_conf[CONF_TX_MAX_AC_COUNT];

        /*
         * AP-mode - allow this number of TX retries to a station before an
         * event is triggered from FW.
         * In AP-mode the hlids of unreachable stations are given in the
         * "sta_tx_retry_exceeded" member in the event mailbox.
         */
        u8 max_tx_retries;

        /*
         * AP-mode - after this number of seconds a connected station is
         * considered inactive.
         */
        u16 ap_aging_period;

        /*
         * Configuration for TID parameters.
         */
        u8 tid_conf_count;
        struct conf_tx_tid tid_conf[CONF_TX_MAX_TID_COUNT];

        /*
         * The TX fragmentation threshold.
         *
         * Range: u16
         */
        u16 frag_threshold;

        /*
         * Max time in msec the FW may delay frame TX-Complete interrupt.
         *
         * Range: u16
         */
        u16 tx_compl_timeout;

        /*
         * Completed TX packet count which requires to issue the TX-Complete
         * interrupt.
         *
         * Range: u16
         */
        u16 tx_compl_threshold;

        /*
         * The rate used for control messages and scanning on the 2.4GHz band
         *
         * Range: CONF_HW_BIT_RATE_* bit mask
         */
        u32 basic_rate;

        /*
         * The rate used for control messages and scanning on the 5GHz band
         *
         * Range: CONF_HW_BIT_RATE_* bit mask
         */
        u32 basic_rate_5;

        /*
         * TX retry limits for templates
         */
        u8 tmpl_short_retry_limit;
        u8 tmpl_long_retry_limit;

        /* Time in ms for Tx watchdog timer to expire */
        u32 tx_watchdog_timeout;

        /*
         * when a slow link has this much packets pending, it becomes a low
         * priority link, scheduling-wise
         */
        u8 slow_link_thold;

        /*
         * when a fast link has this much packets pending, it becomes a low
         * priority link, scheduling-wise
         */
        u8 fast_link_thold;
} __packed;

enum {
        CONF_WAKE_UP_EVENT_BEACON    = 0x01, /* Wake on every Beacon*/
        CONF_WAKE_UP_EVENT_DTIM      = 0x02, /* Wake on every DTIM*/
        CONF_WAKE_UP_EVENT_N_DTIM    = 0x04, /* Wake every Nth DTIM */
        CONF_WAKE_UP_EVENT_N_BEACONS = 0x08, /* Wake every Nth beacon */
        CONF_WAKE_UP_EVENT_BITS_MASK = 0x0F
};

#define CONF_MAX_BCN_FILT_IE_COUNT 32

#define CONF_BCN_RULE_PASS_ON_CHANGE         BIT(0)
#define CONF_BCN_RULE_PASS_ON_APPEARANCE     BIT(1)

#define CONF_BCN_IE_OUI_LEN    3
#define CONF_BCN_IE_VER_LEN    2

struct conf_bcn_filt_rule {
        /*
         * IE number to which to associate a rule.
         *
         * Range: u8
         */
        u8 ie;

        /*
         * Rule to associate with the specific ie.
         *
         * Range: CONF_BCN_RULE_PASS_ON_*
         */
        u8 rule;

        /*
         * OUI for the vendor specifie IE (221)
         */
        u8 oui[CONF_BCN_IE_OUI_LEN];

        /*
         * Type for the vendor specifie IE (221)
         */
        u8 type;

        /*
         * Version for the vendor specifie IE (221)
         */
        u8 version[CONF_BCN_IE_VER_LEN];
} __packed;

#define CONF_MAX_RSSI_SNR_TRIGGERS 8

enum {
        CONF_TRIG_METRIC_RSSI_BEACON = 0,
        CONF_TRIG_METRIC_RSSI_DATA,
        CONF_TRIG_METRIC_SNR_BEACON,
        CONF_TRIG_METRIC_SNR_DATA
};

enum {
        CONF_TRIG_EVENT_TYPE_LEVEL = 0,
        CONF_TRIG_EVENT_TYPE_EDGE
};

enum {
        CONF_TRIG_EVENT_DIR_LOW = 0,
        CONF_TRIG_EVENT_DIR_HIGH,
        CONF_TRIG_EVENT_DIR_BIDIR
};

struct conf_sig_weights {

        /*
         * RSSI from beacons average weight.
         *
         * Range: u8
         */
        u8 rssi_bcn_avg_weight;

        /*
         * RSSI from data average weight.
         *
         * Range: u8
         */
        u8 rssi_pkt_avg_weight;

        /*
         * SNR from beacons average weight.
         *
         * Range: u8
         */
        u8 snr_bcn_avg_weight;

        /*
         * SNR from data average weight.
         *
         * Range: u8
         */
        u8 snr_pkt_avg_weight;
} __packed;

enum conf_bcn_filt_mode {
        CONF_BCN_FILT_MODE_DISABLED = 0,
        CONF_BCN_FILT_MODE_ENABLED = 1
};

enum conf_bet_mode {
        CONF_BET_MODE_DISABLE = 0,
        CONF_BET_MODE_ENABLE = 1,
};

struct conf_conn_settings {
        /*
         * Firmware wakeup conditions configuration. The host may set only
         * one bit.
         *
         * Range: CONF_WAKE_UP_EVENT_*
         */
        u8 wake_up_event;

        /*
         * Listen interval for beacons or Dtims.
         *
         * Range: 0 for beacon and Dtim wakeup
         *        1-10 for x Dtims
         *        1-255 for x beacons
         */
        u8 listen_interval;

        /*
         * Firmware wakeup conditions during suspend
         * Range: CONF_WAKE_UP_EVENT_*
         */
        u8 suspend_wake_up_event;

        /*
         * Listen interval during suspend.
         * Currently will be in DTIMs (1-10)
         *
         */
        u8 suspend_listen_interval;

        /*
         * Enable or disable the beacon filtering.
         *
         * Range: CONF_BCN_FILT_MODE_*
         */
        u8 bcn_filt_mode;

        /*
         * Configure Beacon filter pass-thru rules.
         */
        u8 bcn_filt_ie_count;
        struct conf_bcn_filt_rule bcn_filt_ie[CONF_MAX_BCN_FILT_IE_COUNT];

        /*
         * The number of consecutive beacons to lose, before the firmware
         * becomes out of synch.
         *
         * Range: u32
         */
        u32 synch_fail_thold;

        /*
         * After out-of-synch, the number of TU's to wait without a further
         * received beacon (or probe response) before issuing the BSS_EVENT_LOSE
         * event.
         *
         * Range: u32
         */
        u32 bss_lose_timeout;

        /*
         * Beacon receive timeout.
         *
         * Range: u32
         */
        u32 beacon_rx_timeout;

        /*
         * Broadcast receive timeout.
         *
         * Range: u32
         */
        u32 broadcast_timeout;

        /*
         * Enable/disable reception of broadcast packets in power save mode
         *
         * Range: 1 - enable, 0 - disable
         */
        u8 rx_broadcast_in_ps;

        /*
         * Consecutive PS Poll failures before sending event to driver
         *
         * Range: u8
         */
        u8 ps_poll_threshold;

        /*
         * Configuration of signal average weights.
         */
        struct conf_sig_weights sig_weights;

        /*
         * Specifies if beacon early termination procedure is enabled or
         * disabled.
         *
         * Range: CONF_BET_MODE_*
         */
        u8 bet_enable;

        /*
         * Specifies the maximum number of consecutive beacons that may be
         * early terminated. After this number is reached at least one full
         * beacon must be correctly received in FW before beacon ET
         * resumes.
         *
         * Range 0 - 255
         */
        u8 bet_max_consecutive;

        /*
         * Specifies the maximum number of times to try PSM entry if it fails
         * (if sending the appropriate null-func message fails.)
         *
         * Range 0 - 255
         */
        u8 psm_entry_retries;

        /*
         * Specifies the maximum number of times to try PSM exit if it fails
         * (if sending the appropriate null-func message fails.)
         *
         * Range 0 - 255
         */
        u8 psm_exit_retries;

        /*
         * Specifies the maximum number of times to try transmit the PSM entry
         * null-func frame for each PSM entry attempt
         *
         * Range 0 - 255
         */
        u8 psm_entry_nullfunc_retries;

        /*
         * Specifies the dynamic PS timeout in ms that will be used
         * by the FW when in AUTO_PS mode
         */
        u16 dynamic_ps_timeout;

        /*
         * Specifies whether dynamic PS should be disabled and PSM forced.
         * This is required for certain WiFi certification tests.
         */
        u8 forced_ps;

        /*
         *
         * Specifies the interval of the connection keep-alive null-func
         * frame in ms.
         *
         * Range: 1000 - 3600000
         */
        u32 keep_alive_interval;

        /*
         * Maximum listen interval supported by the driver in units of beacons.
         *
         * Range: u16
         */
        u8 max_listen_interval;

        /*
         * Default sleep authorization for a new STA interface. This determines
         * whether we can go to ELP.
         */
        u8 sta_sleep_auth;
} __packed;

enum {
        CONF_REF_CLK_19_2_E,
        CONF_REF_CLK_26_E,
        CONF_REF_CLK_38_4_E,
        CONF_REF_CLK_52_E,
        CONF_REF_CLK_38_4_M_XTAL,
        CONF_REF_CLK_26_M_XTAL,
};

enum single_dual_band_enum {
        CONF_SINGLE_BAND,
        CONF_DUAL_BAND
};

#define CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE 15
#define CONF_NUMBER_OF_SUB_BANDS_5  7
#define CONF_NUMBER_OF_RATE_GROUPS  6
#define CONF_NUMBER_OF_CHANNELS_2_4 14
#define CONF_NUMBER_OF_CHANNELS_5   35

struct conf_itrim_settings {
        /* enable dco itrim */
        u8 enable;

        /* moderation timeout in microsecs from the last TX */
        u32 timeout;
} __packed;

enum conf_fast_wakeup {
        CONF_FAST_WAKEUP_ENABLE,
        CONF_FAST_WAKEUP_DISABLE,
};

struct conf_pm_config_settings {
        /*
         * Host clock settling time
         *
         * Range: 0 - 30000 us
         */
        u32 host_clk_settling_time;

        /*
         * Host fast wakeup support
         *
         * Range: enum conf_fast_wakeup
         */
        u8 host_fast_wakeup_support;
} __packed;

struct conf_roam_trigger_settings {
        /*
         * The minimum interval between two trigger events.
         *
         * Range: 0 - 60000 ms
         */
        u16 trigger_pacing;

        /*
         * The weight for rssi/beacon average calculation
         *
         * Range: 0 - 255
         */
        u8 avg_weight_rssi_beacon;

        /*
         * The weight for rssi/data frame average calculation
         *
         * Range: 0 - 255
         */
        u8 avg_weight_rssi_data;

        /*
         * The weight for snr/beacon average calculation
         *
         * Range: 0 - 255
         */
        u8 avg_weight_snr_beacon;

        /*
         * The weight for snr/data frame average calculation
         *
         * Range: 0 - 255
         */
        u8 avg_weight_snr_data;
} __packed;

struct conf_scan_settings {
        /*
         * The minimum time to wait on each channel for active scans
         * This value will be used whenever there's a connected interface.
         *
         * Range: u32 tu/1000
         */
        u32 min_dwell_time_active;

        /*
         * The maximum time to wait on each channel for active scans
         * This value will be currently used whenever there's a
         * connected interface. It shouldn't exceed 30000 (~30ms) to avoid
         * possible interference of voip traffic going on while scanning.
         *
         * Range: u32 tu/1000
         */
        u32 max_dwell_time_active;

        /* The minimum time to wait on each channel for active scans
         * when it's possible to have longer scan dwell times.
         * Currently this is used whenever we're idle on all interfaces.
         * Longer dwell times improve detection of networks within a
         * single scan.
         *
         * Range: u32 tu/1000
         */
        u32 min_dwell_time_active_long;

        /* The maximum time to wait on each channel for active scans
         * when it's possible to have longer scan dwell times.
         * See min_dwell_time_active_long
         *
         * Range: u32 tu/1000
         */
        u32 max_dwell_time_active_long;

        /* time to wait on the channel for passive scans (in TU/1000) */
        u32 dwell_time_passive;

        /* time to wait on the channel for DFS scans (in TU/1000) */
        u32 dwell_time_dfs;

        /*
         * Number of probe requests to transmit on each active scan channel
         *
         * Range: u8
         */
        u16 num_probe_reqs;

        /*
         * Scan trigger (split scan) timeout. The FW will split the scan
         * operation into slices of the given time and allow the FW to schedule
         * other tasks in between.
         *
         * Range: u32 Microsecs
         */
        u32 split_scan_timeout;
} __packed;

struct conf_sched_scan_settings {
        /*
         * The base time to wait on the channel for active scans (in TU/1000).
         * The minimum dwell time is calculated according to this:
         * min_dwell_time = base + num_of_probes_to_be_sent * delta_per_probe
         * The maximum dwell time is calculated according to this:
         * max_dwell_time = min_dwell_time + max_dwell_time_delta
         */
        u32 base_dwell_time;

        /* The delta between the min dwell time and max dwell time for
         * active scans (in TU/1000s). The max dwell time is used by the FW once
         * traffic is detected on the channel.
         */
        u32 max_dwell_time_delta;

        /* Delta added to min dwell time per each probe in 2.4 GHz (TU/1000) */
        u32 dwell_time_delta_per_probe;

        /* Delta added to min dwell time per each probe in 5 GHz (TU/1000) */
        u32 dwell_time_delta_per_probe_5;

        /* time to wait on the channel for passive scans (in TU/1000) */
        u32 dwell_time_passive;

        /* time to wait on the channel for DFS scans (in TU/1000) */
        u32 dwell_time_dfs;

        /* number of probe requests to send on each channel in active scans */
        u8 num_probe_reqs;

        /* RSSI threshold to be used for filtering */
        s8 rssi_threshold;

        /* SNR threshold to be used for filtering */
        s8 snr_threshold;
} __packed;

struct conf_ht_setting {
        u8 rx_ba_win_size;
        u8 tx_ba_win_size;
        u16 inactivity_timeout;

        /* bitmap of enabled TIDs for TX BA sessions */
        u8 tx_ba_tid_bitmap;
} __packed;

struct conf_memory_settings {
        /* Number of stations supported in IBSS mode */
        u8 num_stations;

        /* Number of ssid profiles used in IBSS mode */
        u8 ssid_profiles;

        /* Number of memory buffers allocated to rx pool */
        u8 rx_block_num;

        /* Minimum number of blocks allocated to tx pool */
        u8 tx_min_block_num;

        /* Disable/Enable dynamic memory */
        u8 dynamic_memory;

        /*
         * Minimum required free tx memory blocks in order to assure optimum
         * performance
         *
         * Range: 0-120
         */
        u8 min_req_tx_blocks;

        /*
         * Minimum required free rx memory blocks in order to assure optimum
         * performance
         *
         * Range: 0-120
         */
        u8 min_req_rx_blocks;

        /*
         * Minimum number of mem blocks (free+used) guaranteed for TX
         *
         * Range: 0-120
         */
        u8 tx_min;
} __packed;

struct conf_fm_coex {
        u8 enable;
        u8 swallow_period;
        u8 n_divider_fref_set_1;
        u8 n_divider_fref_set_2;
        u16 m_divider_fref_set_1;
        u16 m_divider_fref_set_2;
        u32 coex_pll_stabilization_time;
        u16 ldo_stabilization_time;
        u8 fm_disturbed_band_margin;
        u8 swallow_clk_diff;
} __packed;

struct conf_rx_streaming_settings {
        /*
         * RX Streaming duration (in msec) from last tx/rx
         *
         * Range: u32
         */
        u32 duration;

        /*
         * Bitmap of tids to be polled during RX streaming.
         * (Note: it doesn't look like it really matters)
         *
         * Range: 0x1-0xff
         */
        u8 queues;

        /*
         * RX Streaming interval.
         * (Note:this value is also used as the rx streaming timeout)
         * Range: 0 (disabled), 10 - 100
         */
        u8 interval;

        /*
         * enable rx streaming also when there is no coex activity
         */
        u8 always;
} __packed;

struct conf_fwlog {
        /* Continuous or on-demand */
        u8 mode;

        /*
         * Number of memory blocks dedicated for the FW logger
         *
         * Range: 1-3, or 0 to disable the FW logger
         */
        u8 mem_blocks;

        /* Minimum log level threshold */
        u8 severity;

        /* Include/exclude timestamps from the log messages */
        u8 timestamp;

        /* See enum wl1271_fwlogger_output */
        u8 output;

        /* Regulates the frequency of log messages */
        u8 threshold;
} __packed;

#define ACX_RATE_MGMT_NUM_OF_RATES 13
struct conf_rate_policy_settings {
        u16 rate_retry_score;
        u16 per_add;
        u16 per_th1;
        u16 per_th2;
        u16 max_per;
        u8 inverse_curiosity_factor;
        u8 tx_fail_low_th;
        u8 tx_fail_high_th;
        u8 per_alpha_shift;
        u8 per_add_shift;
        u8 per_beta1_shift;
        u8 per_beta2_shift;
        u8 rate_check_up;
        u8 rate_check_down;
        u8 rate_retry_policy[ACX_RATE_MGMT_NUM_OF_RATES];
} __packed;

struct conf_hangover_settings {
        u32 recover_time;
        u8 hangover_period;
        u8 dynamic_mode;
        u8 early_termination_mode;
        u8 max_period;
        u8 min_period;
        u8 increase_delta;
        u8 decrease_delta;
        u8 quiet_time;
        u8 increase_time;
        u8 window_size;
} __packed;

struct conf_recovery_settings {
        /* BUG() on fw recovery */
        u8 bug_on_recovery;

        /* Prevent HW recovery. FW will remain stuck. */
        u8 no_recovery;
} __packed;

/*
 * The conf version consists of 4 bytes.  The two MSB are the wlcore
 * version, the two LSB are the lower driver's private conf
 * version.
 */
#define WLCORE_CONF_VERSION     (0x0005 << 16)
#define WLCORE_CONF_MASK        0xffff0000
#define WLCORE_CONF_SIZE        (sizeof(struct wlcore_conf_header) +    \
                                 sizeof(struct wlcore_conf))

struct wlcore_conf_header {
        __le32 magic;
        __le32 version;
        __le32 checksum;
} __packed;

struct wlcore_conf {
        struct conf_sg_settings sg;
        struct conf_rx_settings rx;
        struct conf_tx_settings tx;
        struct conf_conn_settings conn;
        struct conf_itrim_settings itrim;
        struct conf_pm_config_settings pm_config;
        struct conf_roam_trigger_settings roam_trigger;
        struct conf_scan_settings scan;
        struct conf_sched_scan_settings sched_scan;
        struct conf_ht_setting ht;
        struct conf_memory_settings mem;
        struct conf_fm_coex fm_coex;
        struct conf_rx_streaming_settings rx_streaming;
        struct conf_fwlog fwlog;
        struct conf_rate_policy_settings rate;
        struct conf_hangover_settings hangover;
        struct conf_recovery_settings recovery;
} __packed;

struct wlcore_conf_file {
        struct wlcore_conf_header header;
        struct wlcore_conf core;
        u8 priv[0];
} __packed;

#endif