wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/inc/core_frame_dot11.h
changeset 0 c40eb8fe8501
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/inc/core_frame_dot11.h	Tue Feb 02 02:03:13 2010 +0200
@@ -0,0 +1,338 @@
+/*
+* Copyright (c) 2005-2009 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:  Class for parsing 802.11 frames
+*
+*/
+
+
+#ifndef CORE_FRAME_DOT11_H
+#define CORE_FRAME_DOT11_H
+
+#include "core_types.h"
+
+class core_frame_dot11_ie_c;
+
+/**
+ * Class for parsing 802.11 frames.
+ *
+ * @since S60 v3.1
+ */
+NONSHARABLE_CLASS( core_frame_dot11_c )
+    {
+
+public:
+
+    /**
+     * Bit masks for 802.11 Frame Control fields.
+     */
+    enum core_dot11_frame_control_e
+        {
+        core_dot11_frame_control_version_mask          = 0x0003,
+        core_dot11_frame_control_type_mask             = 0x000C,
+        core_dot11_frame_control_subtype_mask          = 0x00F0,
+        core_dot11_frame_control_type_subtype_mask     = 0x00FC,        
+        core_dot11_frame_control_to_ds_mask            = 0x0100,
+        core_dot11_frame_control_from_ds_mask          = 0x0200,
+        core_dot11_frame_control_more_fragments_mask   = 0x0400,
+        core_dot11_frame_control_retry_mask            = 0x0800,
+        core_dot11_frame_control_power_mgmt_mask       = 0x1000,
+        core_dot11_frame_control_more_data_mask        = 0x2000,
+        core_dot11_frame_control_privacy_mask          = 0x4000,
+        core_dot11_frame_control_order_mask            = 0x8000
+        };
+
+    /**
+     * Enumerations for 802.11 Frame Control Type field.
+     */
+    enum core_dot11_frame_control_type_e
+        {
+        core_dot11_frame_control_type_management    = 0x0000,
+        core_dot11_frame_control_type_control       = 0x0004,
+        core_dot11_frame_control_type_data          = 0x0008
+        };
+
+    /**
+     * Bit masks for 802.11 Frame Control Subtype field.
+     */
+    enum core_dot11_frame_control_subtype_e
+        {
+        core_dot11_frame_control_subtype_cf_ack_mask    = 0x0010,
+        core_dot11_frame_control_subtype_cf_poll_mask   = 0x0020,
+        core_dot11_frame_control_subtype_no_body_mask   = 0x0040,
+        core_dot11_frame_control_subtype_qos_mask       = 0x0080
+        };
+    
+    /**
+     * Enumerations for 802.11 Type/Subtype combinations.
+     */
+    enum core_dot11_type_e
+        {        
+        core_dot11_type_association_req    = 0x0000,
+        core_dot11_type_association_resp   = 0x0010,
+        core_dot11_type_reassociation_req  = 0x0020,
+        core_dot11_type_reassociation_resp = 0x0030,
+        core_dot11_type_probe_req          = 0x0040,
+        core_dot11_type_probe_resp         = 0x0050,
+        core_dot11_type_beacon             = 0x0080,
+        core_dot11_type_action             = 0x00D0,
+        core_dot11_type_data               = 0x0008,
+        core_dot11_type_qos_data           = 0x0088
+        };
+
+    /**
+     * Definitions for Capability bitmask in beacons/probe responses.
+     */
+    enum core_dot11_capability_e
+        {        
+        core_dot11_capability_ess                 = 0x0001,
+        core_dot11_capability_ibss                = 0x0002,
+        core_dot11_capability_cf_pollable         = 0x0004,
+        core_dot11_capability_cf_poll_request     = 0x0008,
+        core_dot11_capability_privacy             = 0x0010,
+        core_dot11_capability_preamble            = 0x0020,
+        core_dot11_capability_pbcc                = 0x0040,
+        core_dot11_capability_channel_agility     = 0x0080,
+        core_dot11_capability_spectrum_mgmt       = 0x0100,
+        core_dot11_capability_qos                 = 0x0200,
+        core_dot11_capability_slot_time           = 0x0400,
+        core_dot11_capability_apsd                = 0x0800,
+        core_dot11_capability_radio_measurement   = 0x1000,
+        core_dot11_capability_dsss_ofdm           = 0x2000,
+        core_dot11_capability_delayed_block_ack   = 0x4000,
+        core_dot11_capability_immediate_block_ack = 0x8000
+        };
+
+    /**
+     * Factory for creating a parser for the given frame.
+     *
+     * @since S60 v3.1
+     * @param data_length Length of the frame.
+     * @param data Pointer to the frame data.
+     * @param is_copied Whether the object should take a copy of the frame data.
+     * @return Pointer to the created parser instance.
+     */
+    static core_frame_dot11_c* instance(
+        u16_t data_length,
+        const u8_t* data,
+        bool_t is_copied );
+
+    /**
+     * Destructor.
+     */
+    virtual ~core_frame_dot11_c();
+
+    /**
+     * Return the frame control field of the frame.
+     * 
+     * @since S60 v3.1
+     * @return The frame control field of the frame.
+     */
+    u16_t frame_control() const;
+    
+    /**
+     * Return the type of the frame.
+     * 
+     * @since S60 v3.1
+     * @return type of the frame
+     */
+    core_frame_dot11_c::core_dot11_type_e type() const;
+    
+    /** 
+     * Return the duration field of the frame.
+     *
+     * @since S60 v3.1
+     * @return The duration field of the frame.
+     */
+    u16_t duration() const;
+
+    /**
+     * Return the destination MAC field of the frame.
+     *
+     * @since S60 v3.1
+     * @return The destination MAC field of the frame.
+     */
+    core_mac_address_s destination() const;
+
+    /** 
+     * Return the source MAC field of the frame.
+     *
+     * @since S60 v3.1
+     * @return The source MAC field of the frame.
+     */
+    core_mac_address_s source() const;
+
+    /**
+     * Return the BSSID field of the frame.
+     *
+     * @since S60 v3.1
+     * @return The BSSID field of the frame.
+     */
+    core_mac_address_s bssid() const;
+
+    /**
+     * Return the current length of the frame.
+     *
+     * @since S60 v3.1
+     * @return The current length of the frame.
+     */
+    u16_t data_length() const;
+
+    /**
+     * Return a pointer to the frame data.
+     *
+     * @since S60 v3.1
+     * @return A pointer to the frame data.
+     */    
+    const u8_t* data() const;
+
+    /**
+     * Return the length of the payload data.
+     *
+     * @since S60 v3.1
+     * @return The length of the payload data.
+     */
+    u16_t payload_data_length() const;
+    
+    /**
+     * Return a pointer to the payload data.
+     *
+     * @since S60 v3.1
+     * @return A pointer to the payload data.
+     */
+    const u8_t* payload_data() const;
+
+    /**
+     * Return the first IE of the frame.
+     *
+     * @since S60 v3.1
+     * @return Pointer to the first IE, NULL if no IEs.
+     */
+     core_frame_dot11_ie_c* first_ie();
+
+    /**
+     * Return the next IE of the frame.
+     *
+     * @since S60 v3.1
+     * @return Pointer to the next IE, NULL if no more IEs.
+     */
+     core_frame_dot11_ie_c* next_ie();
+
+    /**
+     * Append an IE to frame.
+     *
+     * @since S60 v3.1     
+     * @param ie IE to add to the frame. 
+     */
+    void append_ie(
+        const core_frame_dot11_ie_c* ie );
+    
+    /**
+     * Set Destination MAC Address of the frame.
+     *
+     * @since S60 v5.2     
+     * @param da Destination Address to set. 
+     */
+    void set_destination( const core_mac_address_s& da );
+    
+    /**
+     * Set Source MAC Address of the frame.
+     *
+     * @since S60 v5.2     
+     * @param sa Source Address to set. 
+     */
+    void set_source( const core_mac_address_s& sa );
+
+    /**
+     * Return the offset of the first fixed element.
+     * 
+     * @since S60 v5.2     
+     * @return The offset of the first fixed element.
+     */
+    u16_t first_fixed_element_offset() const;
+
+protected:
+
+    /**
+     * Return the offset of the first IE.
+     * @return The offset of the first IE. 0 if the frame doesn't support IEs.
+     */
+    virtual u16_t first_ie_offset() const;
+
+    /**
+     * Return the MAC address field from the given index.
+     *
+     * @param index Index of the MAC address field.
+     * @return The MAC address field from the given index.
+     */
+    core_mac_address_s mac_address(
+        u16_t index ) const;    
+
+    /**
+     * Generate a 802.11 header.
+     *
+     * @param type The Type and Subtype field of the header.
+     * @param duration The Duration field of the frame.
+     * @param destination The destination MAC field of the frame.
+     * @param source The source MAC field of the frame.
+     * @param bssid The BSSID field of the frame.
+     * @param sequence_control The Sequence Control field of the frame.
+     */
+    void generate(
+        u8_t type,
+        u16_t duration,
+        const core_mac_address_s& destination,
+        const core_mac_address_s& source,
+        const core_mac_address_s& bssid,
+        u16_t sequence_control );
+
+    /**
+     * Constructor.
+     *
+     * @param data_length Length of the frame.
+     * @param data Pointer to the frame data.
+     * @param max_data_length The maximum size of the frame buffer.
+     */
+    core_frame_dot11_c(
+        u16_t data_length,
+        const u8_t* data,
+        u16_t max_data_length );
+
+protected: // data
+
+    /** The length of the frame. */
+    u16_t data_length_m;     
+
+    /** Pointer to the frame data. */
+    u8_t* data_m;
+
+    /** The maximum frame length when generating a frame or copying it. */
+    const u16_t max_data_length_m;
+
+private: // data
+
+    /** Whether this frame includes QoS Control field. */
+    bool_t is_qos_m;
+
+    /** Whether this frame includes HT Control field. */
+    bool_t is_ht_m;
+
+    /** Pointer to the start of the current IE data. Not owned by this pointer. */
+    const u8_t* current_ie_m;
+
+    /** The maximum length of the current IE. */
+    u16_t current_ie_max_length_m;
+
+    };
+
+#endif // CORE_FRAME_DOT11_H