/*

* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Driver interface

*

*/

#ifndef WLMDRIVERIF_H

#define WLMDRIVERIF_H

#include "802dot11.h"

#include "RWlanLogicalChannel.h"

#include "abs_core_driverif.h"        // Derived

#include "wlannotificationhandler.h"  // Derived

#include "wlanmgmtframehandler.h"     // Derived

#include "wlanmgmtcommandhandler.h"   // Derived

#include "wlanmgmtpacket.h"

class abs_core_driverif_callback_c;

class CWlanHwInit;

/**

*  CWlmDriverIf

*

*  @lib wlmserversrv.lib

*  @since Series 60 3.0

*/

NONSHARABLE_CLASS( CWlmDriverIf ) :

    public CBase, 

    public abs_core_driverif_c,

    public MWlanNotificationCallback,

    public MWlanMgmtFrameCallback,

    public MWlanMgmtCommandCallback

    {

public:  // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CWlmDriverIf* NewL();

    /**

     * Destructor.

     */

    ~CWlmDriverIf();

public: // Functions from base classes

    //

    // Functions from abs_core_driverif_c

    //

    /**

     * Initialisation between core server - driverIf

     *

     * @since S60 v3.1

     * @param core_callback delivers callback interface to driverIf

     */

    void init(

        abs_core_driverif_callback_c* core_callback );

    /**

     * Start an IBSS network.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param ssid Name of the network.

     * @param beacon_interval Beacon interval in TUs.

     * @param channel Used channel (1 - 11).

     * @param encrypt_level Used encryption level.

     */    

    void start_ibss(

        u32_t request_id,

        const core_ssid_s& ssid,

        u32_t beacon_interval,

        u32_t channel,

        core_encryption_mode_e encrypt_level );

    /**

     * Request available networks with the given SSID.

     * 

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param scan_mode Defines whether active or passive scan is performed.

     * @param scan_ssid Name of the network to scan for.

     * @param scan_rate Scan rate in units of 500kbit/second.

     * @param scan_channels Channels to scan.

     * @param scan_min_ch_time Minimum time to listen for beacons/probe responses on a channel.

     * @param scan_max_ch_time Maximum time to listen for beacons/probe responses on a channel.

     * @param is_split_scan Whether the scan should be performed as a split-scan.

     * @note If the length of the SSID is zero, a broadcast scan is performed.

     */

    void scan(

        u32_t request_id,

        core_scan_mode_e scan_mode,

        const core_ssid_s& scan_ssid,

        int_t scan_rate,

        const core_scan_channels_s& scan_channels,

        u32_t scan_min_ch_time,

        u32_t scan_max_ch_time,

        bool_t is_split_scan );

    /**

     * Request an ongoing scan to be stopped.

     * 

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     */

    void stop_scan(

        u32_t request_id );

    /**

     * Connect (authenticate and associate) to a BSS.

     * 

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param status The status code from the connection attempt is stored here.

     * @param ssid Name of the network.

     * @param bssid BSSID of the access point.

     * @param auth_algorithm Authentication algorithm number.

     * @param encryption_level Used encryption level.

     * @param pairwise_key_type Pairwise cipher key type to be used.

     * @param is_infra Whether the network is an IBSS or an infra network.

     * @param ie_data_length Length of IE data.

     * @param ie_data IE data.

     * @param scan_frame_length Length of beacon/probe response frame from the BSS.

     * @param scan_frame Pointer to beacon/probe response frame from the BSS.    

     * @param is_pairwise_key_invalidated Whether the pairwise key should be invalidated.

     * @param is_group_key_invalidated Whether the group key should be invalidated

     * @param is_radio_measurement_supported Whether the radio measurement is supported

     */

    void connect(

        u32_t request_id,

        core_management_status_e& status,

        const core_ssid_s& ssid,

        const core_mac_address_s& bssid,

        u16_t auth_algorithm,

        core_encryption_mode_e encryption_level,

        core_cipher_key_type_e pairwise_key_type,

        bool_t is_infra,

        u32_t ie_data_length,

        const u8_t* ie_data,

        u32_t scan_frame_length,

        const u8_t* scan_frame,

        bool_t is_pairwise_key_invalidated,

        bool_t is_group_key_invalidated,

        bool_t is_radio_measurement_supported );

    /**

     * Disconnect from the current network.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     */

    void disconnect(

        u32_t request_id );

    /**

     * Set WLAN power mode.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param mode Power save mode to use.

     */

    void set_power_mode(

        u32_t request_id,

        const core_power_mode_s& mode );

    /**

     * Set transmission power level.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param tx_level Transmission power level in dBm.     

     */

    void set_tx_power_level(

        u32_t request_id,

        u32_t tx_level );

    /**

     * Add a cipher key.

     *

     * @since S60 v3.1

     * @param cipher_suite The cipher suite of the key.

     * @param key_index Index of the key.

     * @param key_length Length of the cipher key.

     * @param key_data Cipher key data.

     * @param mac Defines the MAC address the key is used for.

     * @param use_as_default in case of wep, whether the key is used as default cipher key     

     */

    void add_cipher_key(

        core_cipher_key_type_e cipher_suite,

        u8_t key_index,

        u16_t key_length,

        const u8_t* key_data,

        const core_mac_address_s& mac,

        bool_t use_as_default );

    /**

     * Get the current RCPI value.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param rcpi The current RCPI value.     

     */

    void get_current_rcpi(

        u32_t request_id,

        u32_t& rcpi );

    /**

     * Delivers multicast MAC address to drivers.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param join_group is set true_t if adding a multicast address

     *        otherwise the address will be removed.

     * @param multicast_addr contains the MAC address to add/remove

     */

    void configure_multicast_group(

        u32_t request_id,

        bool_t join_group,

        const core_mac_address_s& multicast_addr );

    /**

     * Set the parameters related to BSS lost indication.

     * 

     * @since S60 v3.1

     * @param request_id Identification of the corresponding request.

     * @param parameters Parameters to set.

     */

    void set_bss_lost_parameters(

        u32_t request_id,

        const core_bss_lost_parameters_s& parameters );

    /**

     * Set the parameters related to tx rate adaptation algorithm.

     * 

     * @since S60 v3.1

     * @param request_id Identification of the corresponding request.

     * @param parameters Parameters to set.

     */

    void set_tx_rate_adaptation_parameters(

        u32_t request_id,

        const core_tx_rate_adaptation_parameters_s& parameters );

    /**

     * Set the parameters related to power mode management.

     * 

     * @since S60 v3.1

     * @param request_id Identification of the corresponding request.

     * @param parameters Parameters to set.

     */

    void set_power_mode_mgmt_parameters(

        u32_t request_id,

        const core_power_mode_mgmt_parameters_s& parameters );

    /**

     * Set the parameters related to TX rate policies.

     *

     * @since S60 v3.2

     * @param request_id Identification of the corresponding request.

     * @param policies TX rate policies to set.

     * @param mappings Mappings between Access Classes and TX rate policies.

     */

    void set_tx_rate_policies(

        u32_t request_id,

        const core_tx_rate_policies_s& policies,

        const core_tx_rate_policy_mappings_s& mappings );        

    /**

     * Get packet statistics for the currently active connection.

     *

     * @since S60 v3.2

     * @param request_id Identification of the corresponding request.

     * @param statistics Packet statistics for the currently active connection.

     */

    void get_packet_statistics(

        u32_t request_id,

        core_packet_statistics_by_access_category_s& statistics );

    /**

     * Set the RCPI trigger level.

     *

     * @since S60 v3.2

     * @param request_id Identification of the corresponding request.

     * @param rcpi_trigger The RCPI trigger level.

     */

    void set_rcpi_trigger_level(

        u32_t request_id,

        u8_t rcpi_trigger );

    /**

     * Set the U-APSD settings.

     *

     * @since S60 v3.2

     * @param request_id Identification of the corresponding request.

     * @param settings Current U-APSD settings to be set.

     */

    void set_uapsd_settings(

        u32_t request_id,

        const core_uapsd_settings_s& settings );

    /**

     * Set the power save settings.

     *

     * @since S60 v3.2

     * @param request_id Identification of the corresponding request.

     * @param settings Current power save settings to be set.

     */

    void set_power_save_settings(

        u32_t request_id,

        const core_power_save_settings_s& settings );

    /**

     * Set the parameters of a tx queue.

     *

     * @since S60 v3.2

     * @param request_id Identification of the corresponding request.

     * @param queue_id Queue to be configured.

     * @param medium_time Medium time to be used.

     * @param max_tx_msdu_lifetime Maximum Transmit MSDU Lifetime to be used.

     */

    void set_tx_queue_parameters(

        u32_t request_id,

        core_access_class_e queue_id,

        u16_t medium_time,

        u32_t max_tx_msdu_lifetime );

    /**

     * Allow sending of user data.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     */

    void enable_user_data(

        u32_t request_id );

    /**

     * Prevent sending of user data.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     */

    void disable_user_data(

        u32_t request_id );    

    /**

     * Unload the drivers and power down the WLAN hardware.  

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     */

    void unload_drivers(

        u32_t request_id );

    /**

     * Load the drivers and power up the WLAN hardware.

     *

     * @since S60 v3.1

     * @param request_id An unique identification for the request.

     * @param rts_threshold Determines the maximum packet size that can be sent without RTS/CTS protocol.

     * @param max_tx_msdu_lifetime Maximum time to (re-)send the whole MSDU packet in TUs.

     * @param qos_null_frame_entry_timeout Defines the time period in microseconds which is used

     *                                     to evaluate whether QoS NULL data frame sending should be started.

     * @param qos_null_frame_entry_tx_count Defines how many Voice AC packets must be sent during the time

     *                                      period defined in qos_null_frame_entry_timeout before QoS NULL

     *                                      data frame sending is started.

     * @param qos_null_frame_interval Defines how often a QoS NULL data frame is sent.

     * @param qos_null_frame_exit_timeout Defines how soon after the last Voice AC packet QoS NULL data

     *                                    frame sending is stopped.

     * @param keep_alive_interval Defines how often NULL data frames are sent if there are no other frames

     *                            to send.

     * @param sp_rcpi_target Defines the signal predictor algorithm "target" RCPI value for roam indication.

     * @param sp_time_target Defines the signal predictor algorithm "target" time for roam indication

     *                       (in microseconds).

     * @param sp_min_indication_interval Defines the minimum time interval for consecutive roam

     *                                   indications from the signal predictor algorithm (in microseconds).

     */

    void load_drivers(

        u32_t request_id,

        uint_t rts_threshold,

        u32_t max_tx_msdu_lifetime,

        u32_t qos_null_frame_entry_timeout,

        u32_t qos_null_frame_entry_tx_count,

        u32_t qos_null_frame_interval,

        u32_t qos_null_frame_exit_timeout,

        u32_t keep_alive_interval,

        u32_t sp_rcpi_target,

        u32_t sp_time_target,

        u32_t sp_min_indication_interval );

    /**

     * Send a frame.

     *

     * @since S60 v3.1

     * @param frame_type The type of the frame to send.

     * @param frame_length The length of the frame.

     * @param frame_data Pointer to the frame data.

     * @param frame_priority User priority to use for sending the frame.

     * @param destination Destination MAC address.

     * @param send_unencrypted Whether the frame must be sent unencrypted.

     */

    void send_frame(        

        core_frame_type_e frame_type,

        const u16_t frame_length,

        const u8_t* const frame_data,

        u8_t frame_priority,

        const core_mac_address_s& destination,

        bool_t send_unencrypted );

    /**

     * Cancel a pending asynchronous request.

     * 

     * @since S60 v3.1

     * @param request_id Identification of the corresponding request.

     */

    void cancel_request(

        u32_t request_id );

	/**

     * Set the ARP filter.

     *

     * @since S60 v5.0

     * @param request_id Identification of the corresponding request.

     * @param filter Current ARP filter to be set.

     */

    void set_arp_filter(

        u32_t request_id,

        const core_arp_filter_s& filter );

    /**

     * Set block ACK usage per traffic stream.

     * 

     * @since S60 v5.1

     * @param request_id Identification of the corresponding request. 

     * @param usage Block ACK usage information. 

     */    

    void set_block_ack_usage(

        u32_t request_id,

        const core_block_ack_usage_s& usage );

    /**

     * Set the SNAP header of frames to receive.

     * 

     * @since S60 v5.1

     * @param request_id Identification of the corresponding request. 

     * @param header SNAP header of frames to receive. 

     */

    void set_snap_header_filter(

        u32_t request_id,

        const core_snap_header_s& header );

    //

    // Functions for handler callbacks

    //

    /**

     * From MWlanNotificationCallback

     * Notification event received from driver side

     * 

     * @since S60 v3.1

     * @param indication

     */

    void OnNotify( const TIndication& aIndication );

    /**

     * From MWlanMgmtFrameCallback

     * Management frame received from driver side

     * 

     * @since S60 v3.1

     * @param aFrameType specifies the frame type

     * @param aLength of the frame data

     * @param aData contains the frame

     * @param aRcpi RCPI value of the frame.

     */

    void OnFrameReceive(

        const TDataBuffer::TFrameType aFrameType,

        const TUint aLength,

        const TUint8* const aData,

        TUint8 aRcpi );

    /**

     * From MWlanMgmtCommandCallback

     * Management command completion callback received from driver side

     * 

     * @since S60 v3.1

     * @param command completion status

     */

    void OnRequestComplete( TInt status );

    /**

     * GetMacAddress is called by CWlmServer during startup

     * @param aMac contains the MAC address on completion

     * @return error code

     */ 

    TInt GetMacAddress( TMacAddress& aMac );

    /**

     * Notify the core server about an adaptation event.

     * @param aIndication Adaptation event.

     */

    void Notify( core_am_indication_e aIndication );

private:

    /**

     * C++ default constructor.

     */

    CWlmDriverIf();

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL();

    /**

     * Async callback function