diff -r 000000000000 -r c40eb8fe8501 wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_frame_wmm_ie.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_frame_wmm_ie.cpp Tue Feb 02 02:03:13 2010 +0200 @@ -0,0 +1,146 @@ +/* +* Copyright (c) 2006-2007 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 WMM QoS IEs. +* +*/ + + +#include "core_frame_wmm_ie.h" +#include "core_tools.h" +#include "core_tools_parser.h" +#include "am_debug.h" + +const u8_t CORE_FRAME_WMM_IE_PARAMETER_LENGTH = 26; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_OUI_OFFSET = 2; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_OUI_LENGTH = 5; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_OUI[] = { 0x00, 0x50, 0xF2, 0x02, 0x1 }; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_VERSION_OFFSET = 7; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_QOS_INFO_OFFSET = 8; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_ACI_BE_OFFSET = 10; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_ACI_BK_OFFSET = 14; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_ACI_VI_OFFSET = 18; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_ACI_VO_OFFSET = 22; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_UAPSD_MASK = 0x80; +const u8_t CORE_FRAME_WMM_IE_PARAMETER_ACM_MASK = 0x10; + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_wmm_ie_parameter_c* core_frame_wmm_ie_parameter_c::instance( + const core_frame_dot11_ie_c& ie ) + { + if ( ie.data_length() != CORE_FRAME_WMM_IE_PARAMETER_LENGTH ) + { + DEBUG( "core_frame_wmm_ie_parameter_c::instance() - not a valid IE, invalid length" ); + + return NULL; + } + + if ( core_tools_c::compare( + &ie.data()[CORE_FRAME_WMM_IE_PARAMETER_OUI_OFFSET], + CORE_FRAME_WMM_IE_PARAMETER_OUI_LENGTH, + &CORE_FRAME_WMM_IE_PARAMETER_OUI[0], + CORE_FRAME_WMM_IE_PARAMETER_OUI_LENGTH ) ) + { + DEBUG( "core_frame_wpa_ie_c::instance() - not a valid IE, WMM OUI missing" ); + + return NULL; + } + + core_frame_wmm_ie_parameter_c* instance = new core_frame_wmm_ie_parameter_c( + ie.data_length(), + ie.data(), + 0 ); + if ( !instance ) + { + DEBUG( "core_frame_wmm_ie_parameter_c::instance() - unable to create an instance" ); + + return NULL; + } + + return instance; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_wmm_ie_parameter_c::~core_frame_wmm_ie_parameter_c() + { + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +u8_t core_frame_wmm_ie_parameter_c::version() const + { + return data_m[CORE_FRAME_WMM_IE_PARAMETER_VERSION_OFFSET]; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +bool_t core_frame_wmm_ie_parameter_c::is_uapsd_supported() const + { + if ( data_m[CORE_FRAME_WMM_IE_PARAMETER_QOS_INFO_OFFSET] & CORE_FRAME_WMM_IE_PARAMETER_UAPSD_MASK ) + { + return true_t; + } + + return false_t; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +bool_t core_frame_wmm_ie_parameter_c::is_admission_control_required( + core_access_class_e access_class ) const + { + u8_t offset( 0 ); + + switch ( access_class ) + { + case core_access_class_best_effort: + offset = CORE_FRAME_WMM_IE_PARAMETER_ACI_BE_OFFSET; + break; + case core_access_class_background: + offset = CORE_FRAME_WMM_IE_PARAMETER_ACI_BK_OFFSET; + break; + case core_access_class_video: + offset = CORE_FRAME_WMM_IE_PARAMETER_ACI_VI_OFFSET; + break; + case core_access_class_voice: + /** Falls through on purpose. */ + default: + offset = CORE_FRAME_WMM_IE_PARAMETER_ACI_VO_OFFSET; + break; + } + + if ( data_m[offset] & CORE_FRAME_WMM_IE_PARAMETER_ACM_MASK ) + { + return true_t; + } + + return false_t; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_wmm_ie_parameter_c::core_frame_wmm_ie_parameter_c( + u16_t data_length, + const u8_t* data, + u16_t max_data_length ) : + core_frame_dot11_ie_c( data_length, data, max_data_length ) + { + }