/*
 * WSM host interface (HI) interface for ST-Ericsson CW1200 mac80211 drivers
 *
 * Copyright (c) 2010, ST-Ericsson
 * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
 *
 * Based on CW1200 UMAC WSM API, which is
 * Copyright (C) ST-Ericsson SA 2010
 * Author: Stewart Mathers <stewart.mathers@stericsson.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.
 */

#ifndef CW1200_WSM_H_INCLUDED
#define CW1200_WSM_H_INCLUDED

#include <linux/spinlock.h>

struct cw1200_common;

/* Bands */
/* Radio band 2.412 -2.484 GHz. */
#define WSM_PHY_BAND_2_4G               (0)

/* Radio band 4.9375-5.8250 GHz. */
#define WSM_PHY_BAND_5G                 (1)

/* Transmit rates */
/* 1   Mbps            ERP-DSSS */
#define WSM_TRANSMIT_RATE_1             (0)

/* 2   Mbps            ERP-DSSS */
#define WSM_TRANSMIT_RATE_2             (1)

/* 5.5 Mbps            ERP-CCK */
#define WSM_TRANSMIT_RATE_5             (2)

/* 11  Mbps            ERP-CCK */
#define WSM_TRANSMIT_RATE_11            (3)

/* 22  Mbps            ERP-PBCC (Not supported) */
/* #define WSM_TRANSMIT_RATE_22         (4) */

/* 33  Mbps            ERP-PBCC (Not supported) */
/* #define WSM_TRANSMIT_RATE_33         (5) */

/* 6   Mbps   (3 Mbps) ERP-OFDM, BPSK coding rate 1/2 */
#define WSM_TRANSMIT_RATE_6             (6)

/* 9   Mbps (4.5 Mbps) ERP-OFDM, BPSK coding rate 3/4 */
#define WSM_TRANSMIT_RATE_9             (7)

/* 12  Mbps  (6 Mbps)  ERP-OFDM, QPSK coding rate 1/2 */
#define WSM_TRANSMIT_RATE_12            (8)

/* 18  Mbps  (9 Mbps)  ERP-OFDM, QPSK coding rate 3/4 */
#define WSM_TRANSMIT_RATE_18            (9)

/* 24  Mbps (12 Mbps)  ERP-OFDM, 16QAM coding rate 1/2 */
#define WSM_TRANSMIT_RATE_24            (10)

/* 36  Mbps (18 Mbps)  ERP-OFDM, 16QAM coding rate 3/4 */
#define WSM_TRANSMIT_RATE_36            (11)

/* 48  Mbps (24 Mbps)  ERP-OFDM, 64QAM coding rate 1/2 */
#define WSM_TRANSMIT_RATE_48            (12)

/* 54  Mbps (27 Mbps)  ERP-OFDM, 64QAM coding rate 3/4 */
#define WSM_TRANSMIT_RATE_54            (13)

/* 6.5 Mbps            HT-OFDM, BPSK coding rate 1/2 */
#define WSM_TRANSMIT_RATE_HT_6          (14)

/* 13  Mbps            HT-OFDM, QPSK coding rate 1/2 */
#define WSM_TRANSMIT_RATE_HT_13         (15)

/* 19.5 Mbps           HT-OFDM, QPSK coding rate 3/4 */
#define WSM_TRANSMIT_RATE_HT_19         (16)

/* 26  Mbps            HT-OFDM, 16QAM coding rate 1/2 */
#define WSM_TRANSMIT_RATE_HT_26         (17)

/* 39  Mbps            HT-OFDM, 16QAM coding rate 3/4 */
#define WSM_TRANSMIT_RATE_HT_39         (18)

/* 52  Mbps            HT-OFDM, 64QAM coding rate 2/3 */
#define WSM_TRANSMIT_RATE_HT_52         (19)

/* 58.5 Mbps           HT-OFDM, 64QAM coding rate 3/4 */
#define WSM_TRANSMIT_RATE_HT_58         (20)

/* 65  Mbps            HT-OFDM, 64QAM coding rate 5/6 */
#define WSM_TRANSMIT_RATE_HT_65         (21)

/* Scan types */
/* Foreground scan */
#define WSM_SCAN_TYPE_FOREGROUND        (0)

/* Background scan */
#define WSM_SCAN_TYPE_BACKGROUND        (1)

/* Auto scan */
#define WSM_SCAN_TYPE_AUTO              (2)

/* Scan flags */
/* Forced background scan means if the station cannot */
/* enter the power-save mode, it shall force to perform a */
/* background scan. Only valid when ScanType is */
/* background scan. */
#define WSM_SCAN_FLAG_FORCE_BACKGROUND  (BIT(0))

/* The WLAN device scans one channel at a time so */
/* that disturbance to the data traffic is minimized. */
#define WSM_SCAN_FLAG_SPLIT_METHOD      (BIT(1))

/* Preamble Type. Long if not set. */
#define WSM_SCAN_FLAG_SHORT_PREAMBLE    (BIT(2))

/* 11n Tx Mode. Mixed if not set. */
#define WSM_SCAN_FLAG_11N_GREENFIELD    (BIT(3))

/* Scan constraints */
/* Maximum number of channels to be scanned. */
#define WSM_SCAN_MAX_NUM_OF_CHANNELS    (48)

/* The maximum number of SSIDs that the device can scan for. */
#define WSM_SCAN_MAX_NUM_OF_SSIDS       (2)

/* Power management modes */
/* 802.11 Active mode */
#define WSM_PSM_ACTIVE                  (0)

/* 802.11 PS mode */
#define WSM_PSM_PS                      BIT(0)

/* Fast Power Save bit */
#define WSM_PSM_FAST_PS_FLAG            BIT(7)

/* Dynamic aka Fast power save */
#define WSM_PSM_FAST_PS                 (BIT(0) | BIT(7))

/* Undetermined */
/* Note : Undetermined status is reported when the */
/* NULL data frame used to advertise the PM mode to */
/* the AP at Pre or Post Background Scan is not Acknowledged */
#define WSM_PSM_UNKNOWN                 BIT(1)

/* Queue IDs */
/* best effort/legacy */
#define WSM_QUEUE_BEST_EFFORT           (0)

/* background */
#define WSM_QUEUE_BACKGROUND            (1)

/* video */
#define WSM_QUEUE_VIDEO                 (2)

/* voice */
#define WSM_QUEUE_VOICE                 (3)

/* HT TX parameters */
/* Non-HT */
#define WSM_HT_TX_NON_HT                (0)

/* Mixed format */
#define WSM_HT_TX_MIXED                 (1)

/* Greenfield format */
#define WSM_HT_TX_GREENFIELD            (2)

/* STBC allowed */
#define WSM_HT_TX_STBC                  (BIT(7))

/* EPTA prioirty flags for BT Coex */
/* default epta priority */
#define WSM_EPTA_PRIORITY_DEFAULT       4
/* use for normal data */
#define WSM_EPTA_PRIORITY_DATA          4
/* use for connect/disconnect/roaming*/
#define WSM_EPTA_PRIORITY_MGT           5
/* use for action frames */
#define WSM_EPTA_PRIORITY_ACTION        5
/* use for AC_VI data */
#define WSM_EPTA_PRIORITY_VIDEO         5
/* use for AC_VO data */
#define WSM_EPTA_PRIORITY_VOICE         6
/* use for EAPOL exchange */
#define WSM_EPTA_PRIORITY_EAPOL         7

/* TX status */
/* Frame was sent aggregated */
/* Only valid for WSM_SUCCESS status. */
#define WSM_TX_STATUS_AGGREGATION       (BIT(0))

/* Host should requeue this frame later. */
/* Valid only when status is WSM_REQUEUE. */
#define WSM_TX_STATUS_REQUEUE           (BIT(1))

/* Normal Ack */
#define WSM_TX_STATUS_NORMAL_ACK        (0<<2)

/* No Ack */
#define WSM_TX_STATUS_NO_ACK            (1<<2)

/* No explicit acknowledgement */
#define WSM_TX_STATUS_NO_EXPLICIT_ACK   (2<<2)

/* Block Ack */
/* Only valid for WSM_SUCCESS status. */
#define WSM_TX_STATUS_BLOCK_ACK         (3<<2)

/* RX status */
/* Unencrypted */
#define WSM_RX_STATUS_UNENCRYPTED       (0<<0)

/* WEP */
#define WSM_RX_STATUS_WEP               (1<<0)

/* TKIP */
#define WSM_RX_STATUS_TKIP              (2<<0)

/* AES */
#define WSM_RX_STATUS_AES               (3<<0)

/* WAPI */
#define WSM_RX_STATUS_WAPI              (4<<0)

/* Macro to fetch encryption subfield. */
#define WSM_RX_STATUS_ENCRYPTION(status) ((status) & 0x07)

/* Frame was part of an aggregation */
#define WSM_RX_STATUS_AGGREGATE         (BIT(3))

/* Frame was first in the aggregation */
#define WSM_RX_STATUS_AGGREGATE_FIRST   (BIT(4))

/* Frame was last in the aggregation */
#define WSM_RX_STATUS_AGGREGATE_LAST    (BIT(5))

/* Indicates a defragmented frame */
#define WSM_RX_STATUS_DEFRAGMENTED      (BIT(6))

/* Indicates a Beacon frame */
#define WSM_RX_STATUS_BEACON            (BIT(7))

/* Indicates STA bit beacon TIM field */
#define WSM_RX_STATUS_TIM               (BIT(8))

/* Indicates Beacon frame's virtual bitmap contains multicast bit */
#define WSM_RX_STATUS_MULTICAST         (BIT(9))

/* Indicates frame contains a matching SSID */
#define WSM_RX_STATUS_MATCHING_SSID     (BIT(10))

/* Indicates frame contains a matching BSSI */
#define WSM_RX_STATUS_MATCHING_BSSI     (BIT(11))

/* Indicates More bit set in Framectl field */
#define WSM_RX_STATUS_MORE_DATA         (BIT(12))

/* Indicates frame received during a measurement process */
#define WSM_RX_STATUS_MEASUREMENT       (BIT(13))

/* Indicates frame received as an HT packet */
#define WSM_RX_STATUS_HT                (BIT(14))

/* Indicates frame received with STBC */
#define WSM_RX_STATUS_STBC              (BIT(15))

/* Indicates Address 1 field matches dot11StationId */
#define WSM_RX_STATUS_ADDRESS1          (BIT(16))

/* Indicates Group address present in the Address 1 field */
#define WSM_RX_STATUS_GROUP             (BIT(17))

/* Indicates Broadcast address present in the Address 1 field */
#define WSM_RX_STATUS_BROADCAST         (BIT(18))

/* Indicates group key used with encrypted frames */
#define WSM_RX_STATUS_GROUP_KEY         (BIT(19))

/* Macro to fetch encryption key index. */
#define WSM_RX_STATUS_KEY_IDX(status)   (((status >> 20)) & 0x0F)

/* Indicates TSF inclusion after 802.11 frame body */
#define WSM_RX_STATUS_TSF_INCLUDED      (BIT(24))

/* Frame Control field starts at Frame offset + 2 */
#define WSM_TX_2BYTES_SHIFT             (BIT(7))

/* Join mode */
/* IBSS */
#define WSM_JOIN_MODE_IBSS              (0)

/* BSS */
#define WSM_JOIN_MODE_BSS               (1)

/* PLCP preamble type */
/* For long preamble */
#define WSM_JOIN_PREAMBLE_LONG          (0)

/* For short preamble (Long for 1Mbps) */
#define WSM_JOIN_PREAMBLE_SHORT         (1)

/* For short preamble (Long for 1 and 2Mbps) */
#define WSM_JOIN_PREAMBLE_SHORT_2       (2)

/* Join flags */
/* Unsynchronized */
#define WSM_JOIN_FLAGS_UNSYNCRONIZED    BIT(0)
/* The BSS owner is a P2P GO */
#define WSM_JOIN_FLAGS_P2P_GO           BIT(1)
/* Force to join BSS with the BSSID and the
 * SSID specified without waiting for beacons. The
 * ProbeForJoin parameter is ignored.
 */
#define WSM_JOIN_FLAGS_FORCE            BIT(2)
/* Give probe request/response higher
 * priority over the BT traffic
 */
#define WSM_JOIN_FLAGS_PRIO             BIT(3)
/* Issue immediate join confirmation and use
 * join complete to notify about completion
 */
#define WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND BIT(5)

/* Key types */
#define WSM_KEY_TYPE_WEP_DEFAULT        (0)
#define WSM_KEY_TYPE_WEP_PAIRWISE       (1)
#define WSM_KEY_TYPE_TKIP_GROUP         (2)
#define WSM_KEY_TYPE_TKIP_PAIRWISE      (3)
#define WSM_KEY_TYPE_AES_GROUP          (4)
#define WSM_KEY_TYPE_AES_PAIRWISE       (5)
#define WSM_KEY_TYPE_WAPI_GROUP         (6)
#define WSM_KEY_TYPE_WAPI_PAIRWISE      (7)

/* Key indexes */
#define WSM_KEY_MAX_INDEX               (10)

/* ACK policy */
#define WSM_ACK_POLICY_NORMAL           (0)
#define WSM_ACK_POLICY_NO_ACK           (1)

/* Start modes */
#define WSM_START_MODE_AP               (0)     /* Mini AP */
#define WSM_START_MODE_P2P_GO           (1)     /* P2P GO */
#define WSM_START_MODE_P2P_DEV          (2)     /* P2P device */

/* SetAssociationMode MIB flags */
#define WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE          (BIT(0))
#define WSM_ASSOCIATION_MODE_USE_HT_MODE                (BIT(1))
#define WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET         (BIT(2))
#define WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING     (BIT(3))
#define WSM_ASSOCIATION_MODE_SNOOP_ASSOC_FRAMES         (BIT(4))

/* RcpiRssiThreshold MIB flags */
#define WSM_RCPI_RSSI_THRESHOLD_ENABLE  (BIT(0))
#define WSM_RCPI_RSSI_USE_RSSI          (BIT(1))
#define WSM_RCPI_RSSI_DONT_USE_UPPER    (BIT(2))
#define WSM_RCPI_RSSI_DONT_USE_LOWER    (BIT(3))

/* Update-ie constants */
#define WSM_UPDATE_IE_BEACON            (BIT(0))
#define WSM_UPDATE_IE_PROBE_RESP        (BIT(1))
#define WSM_UPDATE_IE_PROBE_REQ         (BIT(2))

/* WSM events */
/* Error */
#define WSM_EVENT_ERROR                 (0)

/* BSS lost */
#define WSM_EVENT_BSS_LOST              (1)

/* BSS regained */
#define WSM_EVENT_BSS_REGAINED          (2)

/* Radar detected */
#define WSM_EVENT_RADAR_DETECTED        (3)

/* RCPI or RSSI threshold triggered */
#define WSM_EVENT_RCPI_RSSI             (4)

/* BT inactive */
#define WSM_EVENT_BT_INACTIVE           (5)

/* BT active */
#define WSM_EVENT_BT_ACTIVE             (6)

/* MIB IDs */
/* 4.1  dot11StationId */
#define WSM_MIB_ID_DOT11_STATION_ID             0x0000

/* 4.2  dot11MaxtransmitMsduLifeTime */
#define WSM_MIB_ID_DOT11_MAX_TRANSMIT_LIFTIME   0x0001

/* 4.3  dot11MaxReceiveLifeTime */
#define WSM_MIB_ID_DOT11_MAX_RECEIVE_LIFETIME   0x0002

/* 4.4  dot11SlotTime */
#define WSM_MIB_ID_DOT11_SLOT_TIME              0x0003

/* 4.5  dot11GroupAddressesTable */
#define WSM_MIB_ID_DOT11_GROUP_ADDRESSES_TABLE  0x0004
#define WSM_MAX_GRP_ADDRTABLE_ENTRIES           8

/* 4.6  dot11WepDefaultKeyId */
#define WSM_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID     0x0005

/* 4.7  dot11CurrentTxPowerLevel */
#define WSM_MIB_ID_DOT11_CURRENT_TX_POWER_LEVEL 0x0006

/* 4.8  dot11RTSThreshold */
#define WSM_MIB_ID_DOT11_RTS_THRESHOLD          0x0007

/* 4.9  NonErpProtection */
#define WSM_MIB_ID_NON_ERP_PROTECTION           0x1000

/* 4.10 ArpIpAddressesTable */
#define WSM_MIB_ID_ARP_IP_ADDRESSES_TABLE       0x1001
#define WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES        1

/* 4.11 TemplateFrame */
#define WSM_MIB_ID_TEMPLATE_FRAME               0x1002

/* 4.12 RxFilter */
#define WSM_MIB_ID_RX_FILTER                    0x1003

/* 4.13 BeaconFilterTable */
#define WSM_MIB_ID_BEACON_FILTER_TABLE          0x1004

/* 4.14 BeaconFilterEnable */
#define WSM_MIB_ID_BEACON_FILTER_ENABLE         0x1005

/* 4.15 OperationalPowerMode */
#define WSM_MIB_ID_OPERATIONAL_POWER_MODE       0x1006

/* 4.16 BeaconWakeUpPeriod */
#define WSM_MIB_ID_BEACON_WAKEUP_PERIOD         0x1007

/* 4.17 RcpiRssiThreshold */
#define WSM_MIB_ID_RCPI_RSSI_THRESHOLD          0x1009

/* 4.18 StatisticsTable */
#define WSM_MIB_ID_STATISTICS_TABLE             0x100A

/* 4.19 IbssPsConfig */
#define WSM_MIB_ID_IBSS_PS_CONFIG               0x100B

/* 4.20 CountersTable */
#define WSM_MIB_ID_COUNTERS_TABLE               0x100C

/* 4.21 BlockAckPolicy */
#define WSM_MIB_ID_BLOCK_ACK_POLICY             0x100E

/* 4.22 OverrideInternalTxRate */
#define WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE    0x100F

/* 4.23 SetAssociationMode */
#define WSM_MIB_ID_SET_ASSOCIATION_MODE         0x1010

/* 4.24 UpdateEptaConfigData */
#define WSM_MIB_ID_UPDATE_EPTA_CONFIG_DATA      0x1011

/* 4.25 SelectCcaMethod */
#define WSM_MIB_ID_SELECT_CCA_METHOD            0x1012

/* 4.26 SetUpasdInformation */
#define WSM_MIB_ID_SET_UAPSD_INFORMATION        0x1013

/* 4.27 SetAutoCalibrationMode  WBF00004073 */
#define WSM_MIB_ID_SET_AUTO_CALIBRATION_MODE    0x1015

/* 4.28 SetTxRateRetryPolicy */
#define WSM_MIB_ID_SET_TX_RATE_RETRY_POLICY     0x1016

/* 4.29 SetHostMessageTypeFilter */
#define WSM_MIB_ID_SET_HOST_MSG_TYPE_FILTER     0x1017

/* 4.30 P2PFindInfo */
#define WSM_MIB_ID_P2P_FIND_INFO                0x1018

/* 4.31 P2PPsModeInfo */
#define WSM_MIB_ID_P2P_PS_MODE_INFO             0x1019

/* 4.32 SetEtherTypeDataFrameFilter */
#define WSM_MIB_ID_SET_ETHERTYPE_DATAFRAME_FILTER 0x101A

/* 4.33 SetUDPPortDataFrameFilter */
#define WSM_MIB_ID_SET_UDPPORT_DATAFRAME_FILTER 0x101B

/* 4.34 SetMagicDataFrameFilter */
#define WSM_MIB_ID_SET_MAGIC_DATAFRAME_FILTER   0x101C

/* 4.35 P2PDeviceInfo */
#define WSM_MIB_ID_P2P_DEVICE_INFO              0x101D

/* 4.36 SetWCDMABand */
#define WSM_MIB_ID_SET_WCDMA_BAND               0x101E

/* 4.37 GroupTxSequenceCounter */
#define WSM_MIB_ID_GRP_SEQ_COUNTER              0x101F

/* 4.38 ProtectedMgmtPolicy */
#define WSM_MIB_ID_PROTECTED_MGMT_POLICY        0x1020

/* 4.39 SetHtProtection */
#define WSM_MIB_ID_SET_HT_PROTECTION            0x1021

/* 4.40 GPIO Command */
#define WSM_MIB_ID_GPIO_COMMAND                 0x1022

/* 4.41 TSF Counter Value */
#define WSM_MIB_ID_TSF_COUNTER                  0x1023

/* Test Purposes Only */
#define WSM_MIB_ID_BLOCK_ACK_INFO               0x100D

/* 4.42 UseMultiTxConfMessage */
#define WSM_MIB_USE_MULTI_TX_CONF               0x1024

/* 4.43 Keep-alive period */
#define WSM_MIB_ID_KEEP_ALIVE_PERIOD            0x1025

/* 4.44 Disable BSSID filter */
#define WSM_MIB_ID_DISABLE_BSSID_FILTER         0x1026

/* Frame template types */
#define WSM_FRAME_TYPE_PROBE_REQUEST    (0)
#define WSM_FRAME_TYPE_BEACON           (1)
#define WSM_FRAME_TYPE_NULL             (2)
#define WSM_FRAME_TYPE_QOS_NULL         (3)
#define WSM_FRAME_TYPE_PS_POLL          (4)
#define WSM_FRAME_TYPE_PROBE_RESPONSE   (5)

#define WSM_FRAME_GREENFIELD            (0x80)  /* See 4.11 */

/* Status */
/* The WSM firmware has completed a request */
/* successfully. */
#define WSM_STATUS_SUCCESS              (0)

/* This is a generic failure code if other error codes do */
/* not apply. */
#define WSM_STATUS_FAILURE              (1)

/* A request contains one or more invalid parameters. */
#define WSM_INVALID_PARAMETER           (2)

/* The request cannot perform because the device is in */
/* an inappropriate mode. */
#define WSM_ACCESS_DENIED               (3)

/* The frame received includes a decryption error. */
#define WSM_STATUS_DECRYPTFAILURE       (4)

/* A MIC failure is detected in the received packets. */
#define WSM_STATUS_MICFAILURE           (5)

/* The transmit request failed due to retry limit being */
/* exceeded. */
#define WSM_STATUS_RETRY_EXCEEDED       (6)

/* The transmit request failed due to MSDU life time */
/* being exceeded. */
#define WSM_STATUS_TX_LIFETIME_EXCEEDED (7)

/* The link to the AP is lost. */
#define WSM_STATUS_LINK_LOST            (8)

/* No key was found for the encrypted frame */
#define WSM_STATUS_NO_KEY_FOUND         (9)

/* Jammer was detected when transmitting this frame */
#define WSM_STATUS_JAMMER_DETECTED      (10)

/* The message should be requeued later. */
/* This is applicable only to Transmit */
#define WSM_REQUEUE                     (11)

/* Advanced filtering options */
#define WSM_MAX_FILTER_ELEMENTS         (4)

#define WSM_FILTER_ACTION_IGNORE        (0)
#define WSM_FILTER_ACTION_FILTER_IN     (1)
#define WSM_FILTER_ACTION_FILTER_OUT    (2)

#define WSM_FILTER_PORT_TYPE_DST        (0)
#define WSM_FILTER_PORT_TYPE_SRC        (1)

/* Actual header of WSM messages */
struct wsm_hdr {
        __le16 len;
        __le16 id;
};

#define WSM_TX_SEQ_MAX                  (7)
#define WSM_TX_SEQ(seq)                 \
                ((seq & WSM_TX_SEQ_MAX) << 13)
#define WSM_TX_LINK_ID_MAX              (0x0F)
#define WSM_TX_LINK_ID(link_id)         \
                ((link_id & WSM_TX_LINK_ID_MAX) << 6)

#define MAX_BEACON_SKIP_TIME_MS 1000

#define WSM_CMD_LAST_CHANCE_TIMEOUT (HZ * 3 / 2)

/* ******************************************************************** */
/* WSM capability                                                       */

#define WSM_STARTUP_IND_ID 0x0801

struct wsm_startup_ind {
        u16 input_buffers;
        u16 input_buffer_size;
        u16 status;
        u16 hw_id;
        u16 hw_subid;
        u16 fw_cap;
        u16 fw_type;
        u16 fw_api;
        u16 fw_build;
        u16 fw_ver;
        char fw_label[128];
        u32 config[4];
};

/* ******************************************************************** */
/* WSM commands                                                         */

/* 3.1 */
#define WSM_CONFIGURATION_REQ_ID 0x0009
#define WSM_CONFIGURATION_RESP_ID 0x0409

struct wsm_tx_power_range {
        int min_power_level;
        int max_power_level;
        u32 stepping;
};

struct wsm_configuration {
        /* [in] */ u32 dot11MaxTransmitMsduLifeTime;
        /* [in] */ u32 dot11MaxReceiveLifeTime;
        /* [in] */ u32 dot11RtsThreshold;
        /* [in, out] */ u8 *dot11StationId;
        /* [in] */ const void *dpdData;
        /* [in] */ size_t dpdData_size;
        /* [out] */ u8 dot11FrequencyBandsSupported;
        /* [out] */ u32 supportedRateMask;
        /* [out] */ struct wsm_tx_power_range txPowerRange[2];
};

int wsm_configuration(struct cw1200_common *priv,
                      struct wsm_configuration *arg);

/* 3.3 */
#define WSM_RESET_REQ_ID 0x000A
#define WSM_RESET_RESP_ID 0x040A
struct wsm_reset {
        /* [in] */ int link_id;
        /* [in] */ bool reset_statistics;
};

int wsm_reset(struct cw1200_common *priv, const struct wsm_reset *arg);

/* 3.5 */
#define WSM_READ_MIB_REQ_ID 0x0005
#define WSM_READ_MIB_RESP_ID 0x0405
int wsm_read_mib(struct cw1200_common *priv, u16 mib_id, void *buf,
                 size_t buf_size);

/* 3.7 */
#define WSM_WRITE_MIB_REQ_ID 0x0006
#define WSM_WRITE_MIB_RESP_ID 0x0406
int wsm_write_mib(struct cw1200_common *priv, u16 mib_id, void *buf,
                  size_t buf_size);

/* 3.9 */
#define WSM_START_SCAN_REQ_ID 0x0007
#define WSM_START_SCAN_RESP_ID 0x0407

struct wsm_ssid {
        u8 ssid[32];
        u32 length;
};

struct wsm_scan_ch {
        u16 number;
        u32 min_chan_time;
        u32 max_chan_time;
        u32 tx_power_level;
};

struct wsm_scan {
        /* WSM_PHY_BAND_... */
        u8 band;

        /* WSM_SCAN_TYPE_... */
        u8 type;

        /* WSM_SCAN_FLAG_... */
        u8 flags;

        /* WSM_TRANSMIT_RATE_... */
        u8 max_tx_rate;

        /* Interval period in TUs that the device shall the re- */
        /* execute the requested scan. Max value supported by the device */
        /* is 256s. */
        u32 auto_scan_interval;

        /* Number of probe requests (per SSID) sent to one (1) */
        /* channel. Zero (0) means that none is send, which */
        /* means that a passive scan is to be done. Value */
        /* greater than zero (0) means that an active scan is to */
        /* be done. */
        u32 num_probes;

        /* Number of channels to be scanned. */
        /* Maximum value is WSM_SCAN_MAX_NUM_OF_CHANNELS. */
        u8 num_channels;

        /* Number of SSID provided in the scan command (this */
        /* is zero (0) in broadcast scan) */
        /* The maximum number of SSIDs is WSM_SCAN_MAX_NUM_OF_SSIDS. */
        u8 num_ssids;

        /* The delay time (in microseconds) period */
        /* before sending a probe-request. */
        u8 probe_delay;

        /* SSIDs to be scanned [numOfSSIDs]; */
        struct wsm_ssid *ssids;

        /* Channels to be scanned [numOfChannels]; */
        struct wsm_scan_ch *ch;
};

int wsm_scan(struct cw1200_common *priv, const struct wsm_scan *arg);

/* 3.11 */
#define WSM_STOP_SCAN_REQ_ID 0x0008
#define WSM_STOP_SCAN_RESP_ID 0x0408
int wsm_stop_scan(struct cw1200_common *priv);

/* 3.13 */
#define WSM_SCAN_COMPLETE_IND_ID 0x0806
struct wsm_scan_complete {
        /* WSM_STATUS_... */
        u32 status;

        /* WSM_PSM_... */
        u8 psm;

        /* Number of channels that the scan operation completed. */
        u8 num_channels;
};

/* 3.14 */
#define WSM_TX_CONFIRM_IND_ID 0x0404
#define WSM_MULTI_TX_CONFIRM_ID 0x041E

struct wsm_tx_confirm {
        /* Packet identifier used in wsm_tx. */
        u32 packet_id;

        /* WSM_STATUS_... */
        u32 status;

        /* WSM_TRANSMIT_RATE_... */
        u8 tx_rate;

        /* The number of times the frame was transmitted */
        /* without receiving an acknowledgement. */
        u8 ack_failures;

        /* WSM_TX_STATUS_... */
        u16 flags;

        /* The total time in microseconds that the frame spent in */
        /* the WLAN device before transmission as completed. */
        u32 media_delay;

        /* The total time in microseconds that the frame spent in */
        /* the WLAN device before transmission was started. */
        u32 tx_queue_delay;
};

/* 3.15 */
typedef void (*wsm_tx_confirm_cb) (struct cw1200_common *priv,
                                   struct wsm_tx_confirm *arg);

/* Note that ideology of wsm_tx struct is different against the rest of
 * WSM API. wsm_hdr is /not/ a caller-adapted struct to be used as an input
 * argument for WSM call, but a prepared bytestream to be sent to firmware.
 * It is filled partly in cw1200_tx, partly in low-level WSM code.
 * Please pay attention once again: ideology is different.
 *
 * Legend:
 * - [in]: cw1200_tx must fill this field.
 * - [wsm]: the field is filled by low-level WSM.
 */
struct wsm_tx {
        /* common WSM header */
        struct wsm_hdr hdr;

        /* Packet identifier that meant to be used in completion. */
        u32 packet_id;  /* Note this is actually a cookie */

        /* WSM_TRANSMIT_RATE_... */
        u8 max_tx_rate;

        /* WSM_QUEUE_... */
        u8 queue_id;

        /* True: another packet is pending on the host for transmission. */
        u8 more;

        /* Bit 0 = 0 - Start expiry time from first Tx attempt (default) */
        /* Bit 0 = 1 - Start expiry time from receipt of Tx Request */
        /* Bits 3:1  - PTA Priority */
        /* Bits 6:4  - Tx Rate Retry Policy */
        /* Bit 7 - Reserved */
        u8 flags;

        /* Should be 0. */
        u32 reserved;

        /* The elapsed time in TUs, after the initial transmission */
        /* of an MSDU, after which further attempts to transmit */
        /* the MSDU shall be terminated. Overrides the global */
        /* dot11MaxTransmitMsduLifeTime setting [optional] */
        /* Device will set the default value if this is 0. */
        u32 expire_time;

        /* WSM_HT_TX_... */
        __le32 ht_tx_parameters;
} __packed;

/* = sizeof(generic hi hdr) + sizeof(wsm hdr) + sizeof(alignment) */
#define WSM_TX_EXTRA_HEADROOM (28)

/* 3.16 */
#define WSM_RECEIVE_IND_ID 0x0804

struct wsm_rx {
        /* WSM_STATUS_... */
        u32 status;

        /* Specifies the channel of the received packet. */
        u16 channel_number;

        /* WSM_TRANSMIT_RATE_... */
        u8 rx_rate;

        /* This value is expressed in signed Q8.0 format for */
        /* RSSI and unsigned Q7.1 format for RCPI. */
        u8 rcpi_rssi;

        /* WSM_RX_STATUS_... */
        u32 flags;
};

/* = sizeof(generic hi hdr) + sizeof(wsm hdr) */
#define WSM_RX_EXTRA_HEADROOM (16)

typedef void (*wsm_rx_cb) (struct cw1200_common *priv, struct wsm_rx *arg,
                           struct sk_buff **skb_p);

/* 3.17 */
struct wsm_event {
        /* WSM_STATUS_... */
        /* [out] */ u32 id;

        /* Indication parameters. */
        /* For error indication, this shall be a 32-bit WSM status. */
        /* For RCPI or RSSI indication, this should be an 8-bit */
        /* RCPI or RSSI value. */
        /* [out] */ u32 data;
};

struct cw1200_wsm_event {
        struct list_head link;
        struct wsm_event evt;
};

/* 3.18 - 3.22 */
/* Measurement. Skipped for now. Irrelevent. */

typedef void (*wsm_event_cb) (struct cw1200_common *priv,
                              struct wsm_event *arg);

/* 3.23 */
#define WSM_JOIN_REQ_ID 0x000B
#define WSM_JOIN_RESP_ID 0x040B

struct wsm_join {
        /* WSM_JOIN_MODE_... */
        u8 mode;

        /* WSM_PHY_BAND_... */
        u8 band;

        /* Specifies the channel number to join. The channel */
        /* number will be mapped to an actual frequency */
        /* according to the band */
        u16 channel_number;

        /* Specifies the BSSID of the BSS or IBSS to be joined */
        /* or the IBSS to be started. */
        u8 bssid[6];

        /* ATIM window of IBSS */
        /* When ATIM window is zero the initiated IBSS does */
        /* not support power saving. */
        u16 atim_window;

        /* WSM_JOIN_PREAMBLE_... */
        u8 preamble_type;

        /* Specifies if a probe request should be send with the */
        /* specified SSID when joining to the network. */
        u8 probe_for_join;

        /* DTIM Period (In multiples of beacon interval) */
        u8 dtim_period;

        /* WSM_JOIN_FLAGS_... */
        u8 flags;

        /* Length of the SSID */
        u32 ssid_len;

        /* Specifies the SSID of the IBSS to join or start */
        u8 ssid[32];

        /* Specifies the time between TBTTs in TUs */
        u32 beacon_interval;

        /* A bit mask that defines the BSS basic rate set. */
        u32 basic_rate_set;
};

struct wsm_join_cnf {
        u32 status;

        /* Minimum transmission power level in units of 0.1dBm */
        u32 min_power_level;

        /* Maximum transmission power level in units of 0.1dBm */
        u32 max_power_level;
};

int wsm_join(struct cw1200_common *priv, struct wsm_join *arg);

/* 3.24 */
struct wsm_join_complete {
        /* WSM_STATUS_... */
        u32 status;
};

/* 3.25 */
#define WSM_SET_PM_REQ_ID 0x0010
#define WSM_SET_PM_RESP_ID 0x0410
struct wsm_set_pm {
        /* WSM_PSM_... */
        u8 mode;

        /* in unit of 500us; 0 to use default */
        u8 fast_psm_idle_period;

        /* in unit of 500us; 0 to use default */
        u8 ap_psm_change_period;

        /* in unit of 500us; 0 to disable auto-pspoll */
        u8 min_auto_pspoll_period;
};

int wsm_set_pm(struct cw1200_common *priv, const struct wsm_set_pm *arg);

/* 3.27 */
struct wsm_set_pm_complete {
        u8 psm;                 /* WSM_PSM_... */
};

/* 3.28 */
#define WSM_SET_BSS_PARAMS_REQ_ID 0x0011
#define WSM_SET_BSS_PARAMS_RESP_ID 0x0411
struct wsm_set_bss_params {
        /* This resets the beacon loss counters only */
        u8 reset_beacon_loss;

        /* The number of lost consecutive beacons after which */
        /* the WLAN device should indicate the BSS-Lost event */
        /* to the WLAN host driver. */
        u8 beacon_lost_count;

        /* The AID received during the association process. */
        u16 aid;

        /* The operational rate set mask */
        u32 operational_rate_set;
};

int wsm_set_bss_params(struct cw1200_common *priv,
                       const struct wsm_set_bss_params *arg);

/* 3.30 */
#define WSM_ADD_KEY_REQ_ID         0x000C
#define WSM_ADD_KEY_RESP_ID        0x040C
struct wsm_add_key {
        u8 type;                /* WSM_KEY_TYPE_... */
        u8 index;               /* Key entry index: 0 -- WSM_KEY_MAX_INDEX */
        u16 reserved;
        union {
                struct {
                        u8 peer[6];     /* MAC address of the peer station */
                        u8 reserved;
                        u8 keylen;              /* Key length in bytes */
                        u8 keydata[16];         /* Key data */
                } __packed wep_pairwise;
                struct {
                        u8 keyid;       /* Unique per key identifier (0..3) */
                        u8 keylen;              /* Key length in bytes */
                        u16 reserved;
                        u8 keydata[16];         /* Key data */
                } __packed wep_group;
                struct {
                        u8 peer[6];     /* MAC address of the peer station */
                        u16 reserved;
                        u8 keydata[16]; /* TKIP key data */
                        u8 rx_mic_key[8];               /* Rx MIC key */
                        u8 tx_mic_key[8];               /* Tx MIC key */
                } __packed tkip_pairwise;
                struct {
                        u8 keydata[16]; /* TKIP key data */
                        u8 rx_mic_key[8];               /* Rx MIC key */
                        u8 keyid;               /* Key ID */
                        u8 reserved[3];
                        u8 rx_seqnum[8];        /* Receive Sequence Counter */
                } __packed tkip_group;
                struct {
                        u8 peer[6];     /* MAC address of the peer station */
                        u16 reserved;
                        u8 keydata[16]; /* AES key data */
                } __packed aes_pairwise;
                struct {
                        u8 keydata[16]; /* AES key data */
                        u8 keyid;               /* Key ID */
                        u8 reserved[3];
                        u8 rx_seqnum[8];        /* Receive Sequence Counter */
                } __packed aes_group;
                struct {
                        u8 peer[6];     /* MAC address of the peer station */
                        u8 keyid;               /* Key ID */
                        u8 reserved;
                        u8 keydata[16]; /* WAPI key data */
                        u8 mic_key[16]; /* MIC key data */
                } __packed wapi_pairwise;
                struct {
                        u8 keydata[16]; /* WAPI key data */
                        u8 mic_key[16]; /* MIC key data */
                        u8 keyid;               /* Key ID */
                        u8 reserved[3];
                } __packed wapi_group;
        } __packed;
} __packed;

int wsm_add_key(struct cw1200_common *priv, const struct wsm_add_key *arg);

/* 3.32 */
#define WSM_REMOVE_KEY_REQ_ID         0x000D
#define WSM_REMOVE_KEY_RESP_ID        0x040D
struct wsm_remove_key {
        u8 index; /* Key entry index : 0-10 */
};

int wsm_remove_key(struct cw1200_common *priv,
                   const struct wsm_remove_key *arg);

/* 3.34 */
struct wsm_set_tx_queue_params {
        /* WSM_ACK_POLICY_... */
        u8 ackPolicy;

        /* Medium Time of TSPEC (in 32us units) allowed per */
        /* One Second Averaging Period for this queue. */
        u16 allowedMediumTime;

        /* dot11MaxTransmitMsduLifetime to be used for the */
        /* specified queue. */
        u32 maxTransmitLifetime;
};

struct wsm_tx_queue_params {
        /* NOTE: index is a linux queue id. */
        struct wsm_set_tx_queue_params params[4];
};


#define WSM_TX_QUEUE_SET(queue_params, queue, ack_policy, allowed_time,\
                max_life_time)  \
do {                                                    \
        struct wsm_set_tx_queue_params *p = &(queue_params)->params[queue]; \
        p->ackPolicy = (ack_policy);                            \
        p->allowedMediumTime = (allowed_time);                          \
        p->maxTransmitLifetime = (max_life_time);                       \
} while (0)

int wsm_set_tx_queue_params(struct cw1200_common *priv,
                            const struct wsm_set_tx_queue_params *arg, u8 id);

/* 3.36 */
#define WSM_EDCA_PARAMS_REQ_ID 0x0013
#define WSM_EDCA_PARAMS_RESP_ID 0x0413
struct wsm_edca_queue_params {
        /* CWmin (in slots) for the access class. */
        u16 cwmin;

        /* CWmax (in slots) for the access class. */
        u16 cwmax;

        /* AIFS (in slots) for the access class. */
        u16 aifns;

        /* TX OP Limit (in microseconds) for the access class. */
        u16 txop_limit;

        /* dot11MaxReceiveLifetime to be used for the specified */
        /* the access class. Overrides the global */
        /* dot11MaxReceiveLifetime value */
        u32 max_rx_lifetime;
};

struct wsm_edca_params {
        /* NOTE: index is a linux queue id. */
        struct wsm_edca_queue_params params[4];
        bool uapsd_enable[4];
};

#define TXOP_UNIT 32
#define WSM_EDCA_SET(__edca, __queue, __aifs, __cw_min, __cw_max, __txop, __lifetime,\
                     __uapsd) \
        do {                                                    \
                struct wsm_edca_queue_params *p = &(__edca)->params[__queue]; \
                p->cwmin = __cw_min;                                    \
                p->cwmax = __cw_max;                                    \
                p->aifns = __aifs;                                      \
                p->txop_limit = ((__txop) * TXOP_UNIT);                 \
                p->max_rx_lifetime = __lifetime;                        \
                (__edca)->uapsd_enable[__queue] = (__uapsd);            \
        } while (0)

int wsm_set_edca_params(struct cw1200_common *priv,
                        const struct wsm_edca_params *arg);

int wsm_set_uapsd_param(struct cw1200_common *priv,
                        const struct wsm_edca_params *arg);

/* 3.38 */
/* Set-System info. Skipped for now. Irrelevent. */

/* 3.40 */
#define WSM_SWITCH_CHANNEL_REQ_ID 0x0016
#define WSM_SWITCH_CHANNEL_RESP_ID 0x0416

struct wsm_switch_channel {
        /* 1 - means the STA shall not transmit any further */
        /* frames until the channel switch has completed */
        u8 mode;

        /* Number of TBTTs until channel switch occurs. */
        /* 0 - indicates switch shall occur at any time */
        /* 1 - occurs immediately before the next TBTT */
        u8 switch_count;

        /* The new channel number to switch to. */
        /* Note this is defined as per section 2.7. */
        u16 channel_number;
};

int wsm_switch_channel(struct cw1200_common *priv,
                       const struct wsm_switch_channel *arg);

typedef void (*wsm_channel_switch_cb) (struct cw1200_common *priv);

#define WSM_START_REQ_ID 0x0017
#define WSM_START_RESP_ID 0x0417

struct wsm_start {
        /* WSM_START_MODE_... */
        /* [in] */ u8 mode;

        /* WSM_PHY_BAND_... */
        /* [in] */ u8 band;

        /* Channel number */
        /* [in] */ u16 channel_number;

        /* Client Traffic window in units of TU */
        /* Valid only when mode == ..._P2P */
        /* [in] */ u32 ct_window;

        /* Interval between two consecutive */
        /* beacon transmissions in TU. */
        /* [in] */ u32 beacon_interval;

        /* DTIM period in terms of beacon intervals */
        /* [in] */ u8 dtim_period;

        /* WSM_JOIN_PREAMBLE_... */
        /* [in] */ u8 preamble;

        /* The delay time (in microseconds) period */
        /* before sending a probe-request. */
        /* [in] */ u8 probe_delay;

        /* Length of the SSID */
        /* [in] */ u8 ssid_len;

        /* SSID of the BSS or P2P_GO to be started now. */
        /* [in] */ u8 ssid[32];

        /* The basic supported rates for the MiniAP. */
        /* [in] */ u32 basic_rate_set;
};

int wsm_start(struct cw1200_common *priv, const struct wsm_start *arg);

#define WSM_BEACON_TRANSMIT_REQ_ID 0x0018
#define WSM_BEACON_TRANSMIT_RESP_ID 0x0418

struct wsm_beacon_transmit {
        /* 1: enable; 0: disable */
        /* [in] */ u8 enable_beaconing;
};

int wsm_beacon_transmit(struct cw1200_common *priv,
                        const struct wsm_beacon_transmit *arg);

int wsm_start_find(struct cw1200_common *priv);

int wsm_stop_find(struct cw1200_common *priv);

typedef void (*wsm_find_complete_cb) (struct cw1200_common *priv, u32 status);

struct wsm_suspend_resume {
        /* See 3.52 */
        /* Link ID */
        /* [out] */ int link_id;
        /* Stop sending further Tx requests down to device for this link */
        /* [out] */ bool stop;
        /* Transmit multicast Frames */
        /* [out] */ bool multicast;
        /* The AC on which Tx to be suspended /resumed. */
        /* This is applicable only for U-APSD */
        /* WSM_QUEUE_... */
        /* [out] */ int queue;
};

typedef void (*wsm_suspend_resume_cb) (struct cw1200_common *priv,
                                       struct wsm_suspend_resume *arg);

/* 3.54 Update-IE request. */
struct wsm_update_ie {
        /* WSM_UPDATE_IE_... */
        /* [in] */ u16 what;
        /* [in] */ u16 count;
        /* [in] */ u8 *ies;
        /* [in] */ size_t length;
};

int wsm_update_ie(struct cw1200_common *priv,
                  const struct wsm_update_ie *arg);

/* 3.56 */
struct wsm_map_link {
        /* MAC address of the remote device */
        /* [in] */ u8 mac_addr[6];
        /* [in] */ u8 link_id;
};

int wsm_map_link(struct cw1200_common *priv, const struct wsm_map_link *arg);

/* ******************************************************************** */
/* MIB shortcats                                                        */

static inline int wsm_set_output_power(struct cw1200_common *priv,
                                       int power_level)
{
        __le32 val = __cpu_to_le32(power_level);
        return wsm_write_mib(priv, WSM_MIB_ID_DOT11_CURRENT_TX_POWER_LEVEL,
                             &val, sizeof(val));
}

static inline int wsm_set_beacon_wakeup_period(struct cw1200_common *priv,
                                               unsigned dtim_interval,
                                               unsigned listen_interval)
{
        struct {
                u8 numBeaconPeriods;
                u8 reserved;
                __le16 listenInterval;
        } val = {
                dtim_interval, 0, __cpu_to_le16(listen_interval)
        };

        if (dtim_interval > 0xFF || listen_interval > 0xFFFF)
                return -EINVAL;
        else
                return wsm_write_mib(priv, WSM_MIB_ID_BEACON_WAKEUP_PERIOD,
                                     &val, sizeof(val));
}

struct wsm_rcpi_rssi_threshold {
        u8 rssiRcpiMode;        /* WSM_RCPI_RSSI_... */
        u8 lowerThreshold;
        u8 upperThreshold;
        u8 rollingAverageCount;
};

static inline int wsm_set_rcpi_rssi_threshold(struct cw1200_common *priv,
                                        struct wsm_rcpi_rssi_threshold *arg)
{
        return wsm_write_mib(priv, WSM_MIB_ID_RCPI_RSSI_THRESHOLD, arg,
                             sizeof(*arg));
}

struct wsm_mib_counters_table {
        __le32 plcp_errors;
        __le32 fcs_errors;
        __le32 tx_packets;
        __le32 rx_packets;
        __le32 rx_packet_errors;
        __le32 rx_decryption_failures;
        __le32 rx_mic_failures;
        __le32 rx_no_key_failures;
        __le32 tx_multicast_frames;
        __le32 tx_frames_success;
        __le32 tx_frame_failures;
        __le32 tx_frames_retried;
        __le32 tx_frames_multi_retried;
        __le32 rx_frame_duplicates;
        __le32 rts_success;
        __le32 rts_failures;
        __le32 ack_failures;
        __le32 rx_multicast_frames;
        __le32 rx_frames_success;
        __le32 rx_cmac_icv_errors;
        __le32 rx_cmac_replays;
        __le32 rx_mgmt_ccmp_replays;
} __packed;

static inline int wsm_get_counters_table(struct cw1200_common *priv,
                                         struct wsm_mib_counters_table *arg)
{
        return wsm_read_mib(priv, WSM_MIB_ID_COUNTERS_TABLE,
                            arg, sizeof(*arg));
}

static inline int wsm_get_station_id(struct cw1200_common *priv, u8 *mac)
{
        return wsm_read_mib(priv, WSM_MIB_ID_DOT11_STATION_ID, mac, ETH_ALEN);
}

struct wsm_rx_filter {
        bool promiscuous;
        bool bssid;
        bool fcs;
        bool probeResponder;
};

static inline int wsm_set_rx_filter(struct cw1200_common *priv,
                                    const struct wsm_rx_filter *arg)
{
        __le32 val = 0;
        if (arg->promiscuous)
                val |= __cpu_to_le32(BIT(0));
        if (arg->bssid)
                val |= __cpu_to_le32(BIT(1));
        if (arg->fcs)
                val |= __cpu_to_le32(BIT(2));
        if (arg->probeResponder)
                val |= __cpu_to_le32(BIT(3));
        return wsm_write_mib(priv, WSM_MIB_ID_RX_FILTER, &val, sizeof(val));
}

int wsm_set_probe_responder(struct cw1200_common *priv, bool enable);

#define WSM_BEACON_FILTER_IE_HAS_CHANGED        BIT(0)
#define WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT  BIT(1)
#define WSM_BEACON_FILTER_IE_HAS_APPEARED       BIT(2)

struct wsm_beacon_filter_table_entry {
        u8      ie_id;
        u8      flags;
        u8      oui[3];
        u8      match_data[3];
} __packed;

struct wsm_mib_beacon_filter_table {
        __le32 num;
        struct wsm_beacon_filter_table_entry entry[10];
} __packed;

static inline int wsm_set_beacon_filter_table(struct cw1200_common *priv,
                                              struct wsm_mib_beacon_filter_table *ft)
{
        size_t size = __le32_to_cpu(ft->num) *
                     sizeof(struct wsm_beacon_filter_table_entry) +
                     sizeof(__le32);

        return wsm_write_mib(priv, WSM_MIB_ID_BEACON_FILTER_TABLE, ft, size);
}

#define WSM_BEACON_FILTER_ENABLE        BIT(0) /* Enable/disable beacon filtering */
#define WSM_BEACON_FILTER_AUTO_ERP      BIT(1) /* If 1 FW will handle ERP IE changes internally */

struct wsm_beacon_filter_control {
        int enabled;
        int bcn_count;
};

static inline int wsm_beacon_filter_control(struct cw1200_common *priv,
                                        struct wsm_beacon_filter_control *arg)
{
        struct {
                __le32 enabled;
                __le32 bcn_count;
        } val;
        val.enabled = __cpu_to_le32(arg->enabled);
        val.bcn_count = __cpu_to_le32(arg->bcn_count);
        return wsm_write_mib(priv, WSM_MIB_ID_BEACON_FILTER_ENABLE, &val,
                             sizeof(val));
}

enum wsm_power_mode {
        wsm_power_mode_active = 0,
        wsm_power_mode_doze = 1,
        wsm_power_mode_quiescent = 2,
};

struct wsm_operational_mode {
        enum wsm_power_mode power_mode;
        int disable_more_flag_usage;
        int perform_ant_diversity;
};

static inline int wsm_set_operational_mode(struct cw1200_common *priv,
                                        const struct wsm_operational_mode *arg)
{
        u8 val = arg->power_mode;
        if (arg->disable_more_flag_usage)
                val |= BIT(4);
        if (arg->perform_ant_diversity)
                val |= BIT(5);
        return wsm_write_mib(priv, WSM_MIB_ID_OPERATIONAL_POWER_MODE, &val,
                             sizeof(val));
}

struct wsm_template_frame {
        u8 frame_type;
        u8 rate;
        struct sk_buff *skb;
};

static inline int wsm_set_template_frame(struct cw1200_common *priv,
                                         struct wsm_template_frame *arg)
{
        int ret;
        u8 *p = skb_push(arg->skb, 4);
        p[0] = arg->frame_type;
        p[1] = arg->rate;
        ((__le16 *)p)[1] = __cpu_to_le16(arg->skb->len - 4);
        ret = wsm_write_mib(priv, WSM_MIB_ID_TEMPLATE_FRAME, p, arg->skb->len);
        skb_pull(arg->skb, 4);
        return ret;
}


struct wsm_protected_mgmt_policy {
        bool protectedMgmtEnable;
        bool unprotectedMgmtFramesAllowed;
        bool encryptionForAuthFrame;
};

static inline int wsm_set_protected_mgmt_policy(struct cw1200_common *priv,
                struct wsm_protected_mgmt_policy *arg)
{
        __le32 val = 0;
        int ret;
        if (arg->protectedMgmtEnable)
                val |= __cpu_to_le32(BIT(0));
        if (arg->unprotectedMgmtFramesAllowed)
                val |= __cpu_to_le32(BIT(1));
        if (arg->encryptionForAuthFrame)
                val |= __cpu_to_le32(BIT(2));
        ret = wsm_write_mib(priv, WSM_MIB_ID_PROTECTED_MGMT_POLICY,
                        &val, sizeof(val));
        return ret;
}

struct wsm_mib_block_ack_policy {
        u8 tx_tid;
        u8 reserved1;
        u8 rx_tid;
        u8 reserved2;
} __packed;

static inline int wsm_set_block_ack_policy(struct cw1200_common *priv,
                                           u8 tx_tid_policy,
                                           u8 rx_tid_policy)
{
        struct wsm_mib_block_ack_policy val = {
                .tx_tid = tx_tid_policy,
                .rx_tid = rx_tid_policy,
        };
        return wsm_write_mib(priv, WSM_MIB_ID_BLOCK_ACK_POLICY, &val,
                             sizeof(val));
}

struct wsm_mib_association_mode {
        u8 flags;               /* WSM_ASSOCIATION_MODE_... */
        u8 preamble;    /* WSM_JOIN_PREAMBLE_... */
        u8 greenfield;  /* 1 for greenfield */
        u8 mpdu_start_spacing;
        __le32 basic_rate_set;
} __packed;

static inline int wsm_set_association_mode(struct cw1200_common *priv,
                                           struct wsm_mib_association_mode *arg)
{
        return wsm_write_mib(priv, WSM_MIB_ID_SET_ASSOCIATION_MODE, arg,
                             sizeof(*arg));
}

#define WSM_TX_RATE_POLICY_FLAG_TERMINATE_WHEN_FINISHED BIT(2)
#define WSM_TX_RATE_POLICY_FLAG_COUNT_INITIAL_TRANSMIT BIT(3)
struct wsm_tx_rate_retry_policy {
        u8 index;
        u8 short_retries;
        u8 long_retries;
        /* BIT(2) - Terminate retries when Tx rate retry policy
         *          finishes.
         * BIT(3) - Count initial frame transmission as part of
         *          rate retry counting but not as a retry
         *          attempt
         */
        u8 flags;
        u8 rate_recoveries;
        u8 reserved[3];
        __le32 rate_count_indices[3];
} __packed;

struct wsm_set_tx_rate_retry_policy {
        u8 num;
        u8 reserved[3];
        struct wsm_tx_rate_retry_policy tbl[8];
} __packed;

static inline int wsm_set_tx_rate_retry_policy(struct cw1200_common *priv,
                                struct wsm_set_tx_rate_retry_policy *arg)
{
        size_t size = 4 + arg->num * sizeof(struct wsm_tx_rate_retry_policy);
        return wsm_write_mib(priv, WSM_MIB_ID_SET_TX_RATE_RETRY_POLICY, arg,
                             size);
}

/* 4.32 SetEtherTypeDataFrameFilter */
struct wsm_ether_type_filter_hdr {
        u8 num;         /* Up to WSM_MAX_FILTER_ELEMENTS */
        u8 reserved[3];
} __packed;

struct wsm_ether_type_filter {
        u8 action;      /* WSM_FILTER_ACTION_XXX */
        u8 reserved;
        __le16 type;    /* Type of ethernet frame */
} __packed;

static inline int wsm_set_ether_type_filter(struct cw1200_common *priv,
                                struct wsm_ether_type_filter_hdr *arg)
{
        size_t size = sizeof(struct wsm_ether_type_filter_hdr) +
                arg->num * sizeof(struct wsm_ether_type_filter);
        return wsm_write_mib(priv, WSM_MIB_ID_SET_ETHERTYPE_DATAFRAME_FILTER,
                arg, size);
}

/* 4.33 SetUDPPortDataFrameFilter */
struct wsm_udp_port_filter_hdr {
        u8 num;         /* Up to WSM_MAX_FILTER_ELEMENTS */
        u8 reserved[3];
} __packed;

struct wsm_udp_port_filter {
        u8 action;      /* WSM_FILTER_ACTION_XXX */
        u8 type;                /* WSM_FILTER_PORT_TYPE_XXX */
        __le16 port;            /* Port number */
} __packed;

static inline int wsm_set_udp_port_filter(struct cw1200_common *priv,
                                struct wsm_udp_port_filter_hdr *arg)
{
        size_t size = sizeof(struct wsm_udp_port_filter_hdr) +
                arg->num * sizeof(struct wsm_udp_port_filter);
        return wsm_write_mib(priv, WSM_MIB_ID_SET_UDPPORT_DATAFRAME_FILTER,
                arg, size);
}

/* Undocumented MIBs: */
/* 4.35 P2PDeviceInfo */
#define D11_MAX_SSID_LEN                (32)

struct wsm_p2p_device_type {
        __le16 category_id;
        u8 oui[4];
        __le16 subcategory_id;
} __packed;

struct wsm_p2p_device_info {
        struct wsm_p2p_device_type primaryDevice;
        u8 reserved1[3];
        u8 devname_size;
        u8 local_devname[D11_MAX_SSID_LEN];
        u8 reserved2[3];
        u8 num_secdev_supported;
        struct wsm_p2p_device_type secdevs[0];
} __packed;

/* 4.36 SetWCDMABand - WO */
struct wsm_cdma_band {
        u8 wcdma_band;
        u8 reserved[3];
} __packed;

/* 4.37 GroupTxSequenceCounter - RO */
struct wsm_group_tx_seq {
        __le32 bits_47_16;
        __le16 bits_15_00;
        __le16 reserved;
} __packed;

/* 4.39 SetHtProtection - WO */
#define WSM_DUAL_CTS_PROT_ENB           (1 << 0)
#define WSM_NON_GREENFIELD_STA_PRESENT  (1 << 1)
#define WSM_HT_PROT_MODE__NO_PROT       (0 << 2)
#define WSM_HT_PROT_MODE__NON_MEMBER    (1 << 2)
#define WSM_HT_PROT_MODE__20_MHZ        (2 << 2)
#define WSM_HT_PROT_MODE__NON_HT_MIXED  (3 << 2)
#define WSM_LSIG_TXOP_PROT_FULL         (1 << 4)
#define WSM_LARGE_L_LENGTH_PROT         (1 << 5)

struct wsm_ht_protection {
        __le32 flags;
} __packed;

/* 4.40 GPIO Command - R/W */
#define WSM_GPIO_COMMAND_SETUP  0
#define WSM_GPIO_COMMAND_READ   1
#define WSM_GPIO_COMMAND_WRITE  2
#define WSM_GPIO_COMMAND_RESET  3
#define WSM_GPIO_ALL_PINS       0xFF

struct wsm_gpio_command {
        u8 command;
        u8 pin;
        __le16 config;
} __packed;

/* 4.41 TSFCounter - RO */
struct wsm_tsf_counter {
        __le64 tsf_counter;
} __packed;

/* 4.43 Keep alive period */
struct wsm_keep_alive_period {
        __le16 period;
        u8 reserved[2];
} __packed;

static inline int wsm_keep_alive_period(struct cw1200_common *priv,
                                        int period)
{
        struct wsm_keep_alive_period arg = {
                .period = __cpu_to_le16(period),
        };
        return wsm_write_mib(priv, WSM_MIB_ID_KEEP_ALIVE_PERIOD,
                        &arg, sizeof(arg));
};

/* BSSID filtering */
struct wsm_set_bssid_filtering {
        u8 filter;
        u8 reserved[3];
} __packed;

static inline int wsm_set_bssid_filtering(struct cw1200_common *priv,
                                          bool enabled)
{
        struct wsm_set_bssid_filtering arg = {
                .filter = !enabled,
        };
        return wsm_write_mib(priv, WSM_MIB_ID_DISABLE_BSSID_FILTER,
                        &arg, sizeof(arg));
}

/* Multicast filtering - 4.5 */
struct wsm_mib_multicast_filter {
        __le32 enable;
        __le32 num_addrs;
        u8 macaddrs[WSM_MAX_GRP_ADDRTABLE_ENTRIES][ETH_ALEN];
} __packed;

static inline int wsm_set_multicast_filter(struct cw1200_common *priv,
                                           struct wsm_mib_multicast_filter *fp)
{
        return wsm_write_mib(priv, WSM_MIB_ID_DOT11_GROUP_ADDRESSES_TABLE,
                             fp, sizeof(*fp));
}

/* ARP IPv4 filtering - 4.10 */
struct wsm_mib_arp_ipv4_filter {
        __le32 enable;
        __be32 ipv4addrs[WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES];
} __packed;

static inline int wsm_set_arp_ipv4_filter(struct cw1200_common *priv,
                                          struct wsm_mib_arp_ipv4_filter *fp)
{
        return wsm_write_mib(priv, WSM_MIB_ID_ARP_IP_ADDRESSES_TABLE,
                            fp, sizeof(*fp));
}

/* P2P Power Save Mode Info - 4.31 */
struct wsm_p2p_ps_modeinfo {
        u8      opp_ps_ct_window;
        u8      count;
        u8      reserved;
        u8      dtim_count;
        __le32  duration;
        __le32  interval;
        __le32  start_time;
} __packed;

static inline int wsm_set_p2p_ps_modeinfo(struct cw1200_common *priv,
                                          struct wsm_p2p_ps_modeinfo *mi)
{
        return wsm_write_mib(priv, WSM_MIB_ID_P2P_PS_MODE_INFO,
                             mi, sizeof(*mi));
}

static inline int wsm_get_p2p_ps_modeinfo(struct cw1200_common *priv,
                                          struct wsm_p2p_ps_modeinfo *mi)
{
        return wsm_read_mib(priv, WSM_MIB_ID_P2P_PS_MODE_INFO,
                            mi, sizeof(*mi));
}

/* UseMultiTxConfMessage */

static inline int wsm_use_multi_tx_conf(struct cw1200_common *priv,
                                        bool enabled)
{
        __le32 arg = enabled ? __cpu_to_le32(1) : 0;

        return wsm_write_mib(priv, WSM_MIB_USE_MULTI_TX_CONF,
                        &arg, sizeof(arg));
}


/* 4.26 SetUpasdInformation */
struct wsm_uapsd_info {
        __le16 uapsd_flags;
        __le16 min_auto_trigger_interval;
        __le16 max_auto_trigger_interval;
        __le16 auto_trigger_step;
};

static inline int wsm_set_uapsd_info(struct cw1200_common *priv,
                                     struct wsm_uapsd_info *arg)
{
        return wsm_write_mib(priv, WSM_MIB_ID_SET_UAPSD_INFORMATION,
                                arg, sizeof(*arg));
}

/* 4.22 OverrideInternalTxRate */
struct wsm_override_internal_txrate {
        u8 internalTxRate;
        u8 nonErpInternalTxRate;
        u8 reserved[2];
} __packed;

static inline int wsm_set_override_internal_txrate(struct cw1200_common *priv,
                                     struct wsm_override_internal_txrate *arg)
{
        return wsm_write_mib(priv, WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE,
                                arg, sizeof(*arg));
}

/* ******************************************************************** */
/* WSM TX port control                                                  */

void wsm_lock_tx(struct cw1200_common *priv);
void wsm_lock_tx_async(struct cw1200_common *priv);
bool wsm_flush_tx(struct cw1200_common *priv);
void wsm_unlock_tx(struct cw1200_common *priv);

/* ******************************************************************** */
/* WSM / BH API                                                         */

int wsm_handle_exception(struct cw1200_common *priv, u8 *data, size_t len);
int wsm_handle_rx(struct cw1200_common *priv, u16 id, struct wsm_hdr *wsm,
                  struct sk_buff **skb_p);

/* ******************************************************************** */
/* wsm_buf API                                                          */

struct wsm_buf {
        u8 *begin;
        u8 *data;
        u8 *end;
};

void wsm_buf_init(struct wsm_buf *buf);
void wsm_buf_deinit(struct wsm_buf *buf);

/* ******************************************************************** */
/* wsm_cmd API                                                          */

struct wsm_cmd {
        spinlock_t lock; /* Protect structure from multiple access */
        int done;
        u8 *ptr;
        size_t len;
        void *arg;
        int ret;
        u16 cmd;
};

/* ******************************************************************** */
/* WSM TX buffer access                                                 */

int wsm_get_tx(struct cw1200_common *priv, u8 **data,
               size_t *tx_len, int *burst);
void wsm_txed(struct cw1200_common *priv, u8 *data);

/* ******************************************************************** */
/* Queue mapping: WSM <---> linux                                       */
/* Linux: VO VI BE BK                                                   */
/* WSM:   BE BK VI VO                                                   */

static inline u8 wsm_queue_id_to_linux(u8 queue_id)
{
        static const u8 queue_mapping[] = {
                2, 3, 1, 0
        };
        return queue_mapping[queue_id];
}

static inline u8 wsm_queue_id_to_wsm(u8 queue_id)
{
        static const u8 queue_mapping[] = {
                3, 2, 0, 1
        };
        return queue_mapping[queue_id];
}

#endif /* CW1200_HWIO_H_INCLUDED */