X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Packets%2F80211Bundle%2FWLANPacket.hh;h=3138826198e38d07f7e3bb1c4e50ff6b2db7ac8a;hb=165ec46dc3d091c354ef8dbda67dcf7b1a97fc7d;hp=f7c5688b880be602a860a299a770e11b69faa2c8;hpb=0cfb397285c36522faa97c801e6f8332fdd539cf;p=senf.git diff --git a/Packets/80211Bundle/WLANPacket.hh b/Packets/80211Bundle/WLANPacket.hh index f7c5688..3138826 100644 --- a/Packets/80211Bundle/WLANPacket.hh +++ b/Packets/80211Bundle/WLANPacket.hh @@ -58,7 +58,9 @@ namespace senf //this is needed due to the goto in the WLANPacketParser. Don't know exactly why yet. SENF_PARSER_INIT() {} - boost::uint16_t sequenceNumber() const; + boost::uint16_t sequenceNumber() const { + return (uint16_t)(seqNumber_2()) << 4 | seqNumber_1(); + }; }; /** \brief Control frame parser @@ -75,7 +77,7 @@ namespace senf SENF_PARSER_SKIP_BITS ( 4 ); //skip type and version //jump to fist address field SENF_PARSER_SKIP ( 3, 3 ); - SENF_PARSER_FIELD ( recieverAddress, MACAddressParser ); + SENF_PARSER_FIELD ( receiverAddress, MACAddressParser ); //only RTS frame contains a source address field //variant is also needed to set correct subtype value @@ -97,26 +99,26 @@ namespace senf struct WLANPacket_DataFrameParser : public senf::PacketParserBase { # include SENF_PARSER() - SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned); + SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned ); //jump to 'toDS' and 'fromDS' bits //skip type and version - SENF_PARSER_SKIP_BITS ( 4 ); + SENF_PARSER_SKIP_BITS ( 4 ); //skip other flags - SENF_PARSER_SKIP_BITS ( 6 ); + SENF_PARSER_SKIP_BITS ( 6 ); //needed in data frames due to the variable address fields - SENF_PARSER_PRIVATE_BITFIELD ( dsBits, 2, unsigned); + SENF_PARSER_PRIVATE_BITFIELD ( dsBits, 2, unsigned ); //skip duration field - SENF_PARSER_SKIP ( 2,0 ); + SENF_PARSER_SKIP ( 2, 0 ); - SENF_PARSER_PRIVATE_FIELD ( addr1, MACAddressParser ); - SENF_PARSER_PRIVATE_FIELD ( addr2, MACAddressParser ); - SENF_PARSER_PRIVATE_FIELD ( addr3, MACAddressParser ); + SENF_PARSER_PRIVATE_FIELD ( addr1, MACAddressParser ); + SENF_PARSER_PRIVATE_FIELD ( addr2, MACAddressParser ); + SENF_PARSER_PRIVATE_FIELD ( addr3, MACAddressParser ); //sequence Number and fragment number //shift bits manually due to LSB - SENF_PARSER_PRIVATE_BITFIELD (seqNumber_1, 4, unsigned); - SENF_PARSER_BITFIELD (fragmentNumber, 4, unsigned); - SENF_PARSER_PRIVATE_FIELD (seqNumber_2, UInt8Parser) + SENF_PARSER_PRIVATE_BITFIELD ( seqNumber_1, 4, unsigned ); + SENF_PARSER_BITFIELD ( fragmentNumber, 4, unsigned ); + SENF_PARSER_PRIVATE_FIELD ( seqNumber_2, UInt8Parser ); //TODO fourth address field in case of WDS // SENF_PARSER_PRIVATE_VARIANT (wds_, dsBits, @@ -124,26 +126,26 @@ namespace senf // ( id ( addr4, key (3, MACAddressParser ))) ); //QoS Filed - SENF_PARSER_VARIANT (qosField_, subtype, - ( ids (na, na, set_data, key(0, VoidPacketParser))) - ( ids (na, na, set_nullData, key(4, VoidPacketParser))) - ( ids (qosField, has_qosField, set_qosData, key(8, UInt16LSBParser))) + SENF_PARSER_VARIANT ( qosField_, subtype, + ( ids( na, na, set_data, key(0, VoidPacketParser)) ) + ( ids( na, na, set_nullData, key(4, VoidPacketParser)) ) + ( ids( qosField, has_qosField, set_qosData, key(8, UInt16LSBParser )) ) //we cannot parse qos Null (data) frames at the moment - ( ids (na, na, set_qosNullData, key(12, UInt16LSBParser))) ); - - + ( ids( na, na, set_qosNullData, key(12, UInt16LSBParser)) ) ); SENF_PARSER_FINALIZE(WLANPacket_DataFrameParser); //this is needed to due to the goto in the WLANPacketParser. Don't know exactly why yet. SENF_PARSER_INIT() {} - boost::uint16_t sequenceNumber() const; + boost::uint16_t sequenceNumber() const { + return (uint16_t)(seqNumber_2()) << 4 | seqNumber_1(); + }; - MACAddressParser ra() const { return addr1(); }; //ra is always addr1 - MACAddressParser ta() const { return addr2(); }; //ta is always addr2 - MACAddressParser sa() const; - MACAddressParser da() const; + MACAddressParser receiverAddress() const { return addr1(); }; //ra is always addr1 + MACAddressParser transmitterAddress() const { return addr2(); }; //ta is always addr2 + MACAddressParser sourceAddress() const; + MACAddressParser destinationAddress() const; MACAddressParser bssid() const; }; @@ -173,14 +175,14 @@ namespace senf SENF_PARSER_BITFIELD ( fromDS, 1, bool ); SENF_PARSER_BITFIELD ( toDS, 1, bool ); - SENF_PARSER_FIELD (duration, UInt16LSBParser); + SENF_PARSER_FIELD ( duration, UInt16LSBParser ); - SENF_PARSER_GOTO( subtype ); //subparsers need to know the subtype - SENF_PARSER_VARIANT ( type__, type, - ( id( mgtFrame, WLANPacket_MgtFrameParser )) - ( id( ctrlFrame, WLANPacket_CtrlFrameParser )) - ( id( dataFrame, WLANPacket_DataFrameParser )) - ( novalue( reserved, WLANPacket_CtrlFrameParser )) ); + SENF_PARSER_GOTO( subtype ); // subparsers need to know the subtype + SENF_PARSER_VARIANT ( frameType_, type, + ( ids( mgtFrame, is_mgtFrame, init_mgtFrame, WLANPacket_MgtFrameParser )) + ( ids( ctrlFrame, is_ctrlFrame, init_ctrlFrame, WLANPacket_CtrlFrameParser )) + ( ids( dataFrame, is_dataFrame, init_dataFrame, WLANPacket_DataFrameParser )) + ( novalue( reserved, WLANPacket_CtrlFrameParser )) ); SENF_PARSER_CUSTOM_FIELD( fcs, senf::UInt32Parser, fcs_t::fixed_bytes, fcs_t::fixed_bytes) { return parse( data().size()-4 ); } @@ -197,6 +199,16 @@ namespace senf }; + /** \brief WLAN packet + + \par Packet type (typedef): + \ref WLANPacket + + \par Fields: + \ref WLANPacketParser + + \ingroup protocolbundle_80211 + */ struct WLANPacketType : public senf::PacketTypeBase, public senf::PacketTypeMixin