-// $Id:$
+// $Id$
//
-// Copyright (C) 2006
+// Copyright (C) 2008
// Fraunhofer Institute for Open Communication Systems (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
-// Christian Niephaus <christian.niephaus@fokus.fraunhofer.de>
+// Christian Niephaus <cni@berlios.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
/** \file
- \brief 802.11 WLan MAC frame \n
+ \brief 802.11 WLANPacket public header */
-
- */
-
-#ifndef WLANPACKET_HH_
-#define WLANPACKET_HH_
+#ifndef HH_SENF_Packets_80211Bundle_WLANPacket_
+#define HH_SENF_Packets_80211Bundle_WLANPacket_ 1
#include "../../Packets/Packets.hh"
#include "../DefaultBundle/EthernetPacket.hh"
-#include <boost/cstdint.hpp>
namespace senf
{
* <b>Re-ordering of bits due to LSB byte order</b>
*/
- struct WLANPacketParser_MgtFrameParser : public senf::PacketParserBase
+ struct WLANPacket_MgtFrameParser : public senf::PacketParserBase
{
# include SENF_FIXED_PARSER()
- SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned);
- SENF_PARSER_SKIP_BITS ( 4 ); //skip type and version
+
+ SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned ); //<pkgdraw: hide
+ //skip type and version
+ SENF_PARSER_SKIP_BITS ( 4 ); //<pkgdraw: hide
//jump to fist address field
- SENF_PARSER_SKIP ( 3 );
- SENF_PARSER_FIELD ( da, MACAddressParser );
- SENF_PARSER_FIELD ( sa, MACAddressParser );
- SENF_PARSER_FIELD ( bssid, MACAddressParser );
+ SENF_PARSER_SKIP ( 3 ); //<pkgdraw: hide
+ SENF_PARSER_FIELD ( destinationAddress, MACAddressParser );
+ SENF_PARSER_FIELD ( sourceAddress, MACAddressParser );
+ SENF_PARSER_FIELD ( bssid, MACAddressParser );
//workaround since bitfield LSB parsers are not available
- 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 );
- SENF_PARSER_FINALIZE(WLANPacketParser_MgtFrameParser);
+ SENF_PARSER_FINALIZE(WLANPacket_MgtFrameParser);
//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
* currently only CTS, RTS and ACK control frames are supported
*/
- struct WLANPacketParser_CtrlFrameParser : public senf::PacketParserBase
+ struct WLANPacket_CtrlFrameParser : public senf::PacketParserBase
{
# include SENF_PARSER()
- SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned);
- SENF_PARSER_SKIP_BITS ( 4 ); //skip type and version
+
+ SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned ); //<pkgdraw: hide
+ //skip type and version
+ SENF_PARSER_SKIP_BITS ( 4 ); //<pkgdraw: hide
//jump to fist address field
- SENF_PARSER_SKIP ( 3,3 );
- SENF_PARSER_FIELD ( ra, MACAddressParser );
+ SENF_PARSER_SKIP ( 3, 3 ); //<pkgdraw: hide
+ SENF_PARSER_FIELD ( receiverAddress, MACAddressParser );
//only RTS frame contains a source address field
- //variant is also needed so set to correct subtype value
- SENF_PARSER_VARIANT ( subtype__, subtype,
- ( ids (na, na, set_cts, key(12, VoidPacketParser)) )
- ( ids (na, na, set_ack, key(13, VoidPacketParser)) )
- ( ids (sa, has_sa, set_rts, key(11, MACAddressParser)) ) );
+ //variant is also needed to set correct subtype value
+ SENF_PARSER_VARIANT ( subtype__, subtype,
+ ( ids( na, is_cts, set_cts, key(12, VoidPacketParser)) )
+ ( ids( na, is_ack, set_ack, key(13, VoidPacketParser)) )
+ ( ids( sourceAddress, is_rts, set_rts, key(11, MACAddressParser)) ) );
- SENF_PARSER_FINALIZE(WLANPacketParser_CtrlFrameParser);
+ SENF_PARSER_FINALIZE(WLANPacket_CtrlFrameParser);
//this is needed to due to the goto in the WLANPacketParser. Don't know exactly why yet.
SENF_PARSER_INIT() {}
* <b>Re-ordering of bits due to LSB byte order</b>
*/
- struct WLANPacketParser_DataFrameParser : public senf::PacketParserBase
+ struct WLANPacket_DataFrameParser : public senf::PacketParserBase
{
# include SENF_PARSER()
- SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned);
+ SENF_PARSER_PRIVATE_BITFIELD ( subtype, 4, unsigned ); //<pkgdraw: hide
//jump to 'toDS' and 'fromDS' bits
//skip type and version
- SENF_PARSER_SKIP_BITS ( 4 );
+ SENF_PARSER_SKIP_BITS ( 4 ); //<pkgdraw: hide
//skip other flags
- SENF_PARSER_SKIP_BITS ( 6 );
+ SENF_PARSER_SKIP_BITS ( 6 ); //<pkgdraw: hide
//needed in data frames due to the variable address fields
- SENF_PARSER_PRIVATE_BITFIELD ( dsBits, 2, unsigned);
+ SENF_PARSER_PRIVATE_BITFIELD ( dsBits, 2, unsigned ); //<pkgdraw: hide
//skip duration field
- SENF_PARSER_SKIP ( 2,0 );
+ SENF_PARSER_SKIP ( 2, 2 ); //<pkgdraw: hide
- 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,
// ( 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(WLANPacketParser_DataFrameParser);
+ 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;
};
* Frame control field
* re-ordering of fields due to the byte order
*/
- SENF_PARSER_BITFIELD_RO ( subtype, 4, unsigned);
- SENF_PARSER_BITFIELD_RO ( type, 2, unsigned);
- SENF_PARSER_BITFIELD ( version, 2, unsigned);
- SENF_PARSER_BITFIELD ( order, 1, bool);
- SENF_PARSER_BITFIELD ( protectedFrame, 1, bool);
- SENF_PARSER_BITFIELD ( moreData, 1, bool);
- SENF_PARSER_BITFIELD ( pwrMgt, 1, bool);
- SENF_PARSER_BITFIELD ( retry, 1, bool);
- SENF_PARSER_BITFIELD ( moreFrag, 1, bool);
- SENF_PARSER_BITFIELD ( fromDS, 1, bool);
- SENF_PARSER_BITFIELD ( toDS, 1, bool);
-
- SENF_PARSER_FIELD (duration, UInt16LSBParser);
-
- SENF_PARSER_GOTO( subtype ); //subparsers need to know the subtype
- SENF_PARSER_VARIANT ( type__, type,
- ( id ( mgtFrame, WLANPacketParser_MgtFrameParser ))
- ( id ( ctrlFrame, WLANPacketParser_CtrlFrameParser ))
- ( id ( dataFrame, WLANPacketParser_DataFrameParser ))
- ( novalue ( reserved, WLANPacketParser_CtrlFrameParser )) );
-
- SENF_PARSER_CUSTOM_FIELD( fcs, senf:: UInt32Parser, fcs_t::fixed_bytes, fcs_t::fixed_bytes) {
+ SENF_PARSER_BITFIELD_RO ( subtype, 4, unsigned );
+ SENF_PARSER_BITFIELD_RO ( type, 2, unsigned );
+ SENF_PARSER_BITFIELD ( version, 2, unsigned );
+ SENF_PARSER_BITFIELD ( order, 1, bool );
+ SENF_PARSER_BITFIELD ( protectedFrame, 1, bool );
+ SENF_PARSER_BITFIELD ( moreData, 1, bool );
+ SENF_PARSER_BITFIELD ( pwrMgt, 1, bool );
+ SENF_PARSER_BITFIELD ( retry, 1, bool );
+ SENF_PARSER_BITFIELD ( moreFrag, 1, bool );
+ SENF_PARSER_BITFIELD ( fromDS, 1, bool );
+ SENF_PARSER_BITFIELD ( toDS, 1, bool );
+
+ SENF_PARSER_FIELD ( duration, UInt16LSBParser );
+
+ 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<UInt32Parser>( data().size()-4 ); }
SENF_PARSER_FINALIZE(WLANPacketParser);
SENF_PARSER_INIT() {
version() = 0;
-
-
}
//Problems can occur with old madwifi and ath5k. Some frames only
};
+ /** \brief WLAN packet
+
+ \par Packet type (typedef):
+ \ref WLANPacket
+
+ \par Fields:
+ \ref WLANPacketParser
+ \image html WLANPacket.png
+
+ \ingroup protocolbundle_80211
+ */
struct WLANPacketType
: public senf::PacketTypeBase,
- public senf::PacketTypeMixin<WLANPacketType>
+ public senf::PacketTypeMixin<WLANPacketType>
{
-
typedef senf::PacketTypeMixin<WLANPacketType> mixin;
typedef senf::ConcretePacket<WLANPacketType> packet;
typedef WLANPacketParser parser;
-// using mixin::nextPacketRange;
+
using mixin::init;
using mixin::initSize;
- using senf::PacketTypeBase::nextPacketRange;;
-
+// using senf::PacketTypeBase::nextPacketRange;
+ static optional_range nextPacketRange(packet p);
+ static factory_t nextPacketType(packet p);
static void dump(packet p, std::ostream &os);
// static PacketParserBase::size_type initSize();
};
- typedef WLANPacketType::packet WLANPacket;
-
+ typedef senf::ConcretePacket<WLANPacketType> WLANPacket;
}
-
-#endif /* WLANPACKET_HH_ */
+#endif /* HH_SENF_Packets_80211Bundle_WLANPacket_ */
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