williamr@2: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@4: // under the terms of "Eclipse Public License v1.0"
williamr@2: // which accompanies this distribution, and is available
williamr@4: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: // icmp6_hdr.h - ICMPv6 header structure
williamr@2: // This module defines the basic classes for accessing the header
williamr@2: // structures within ICMPv6 packets.
williamr@2: //
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2:  @file icmp6_hdr.h
williamr@2:  @ingroup ip_packet_formats
williamr@2:  @publishedAll
williamr@2:  @released
williamr@2: */
williamr@2: 
williamr@2: #ifndef __ICMP6_HDR_H__
williamr@2: #define __ICMP6_HDR_H__
williamr@2: 
williamr@2: #include <e32def.h>
williamr@2: #include "in_hdr.h"
williamr@2: #include <in_sock.h> // IPv6 enhanced in_sock.h
williamr@2: 
williamr@4: #ifdef SYMBIAN_TCPIPDHCP_UPDATE
williamr@4: //RFC 5006 definitions
williamr@4: #define RDNSSADDRSIZE 16
williamr@4: #define RDNSSOPTION_HDRLENGTH 8
williamr@4: #define RDNSS_MAX_ADDRESS 4 //4 DNS address shall be processed from RDNSS Option available in RA
williamr@4: #endif //SYMBIAN_TCPIPDHCP_UPDATE
williamr@4: 
williamr@2: /**
williamr@2: * @addtogroup ip_packet_formats
williamr@2: */
williamr@2: //@{
williamr@2: 
williamr@2: // TInet6HeaderICMP
williamr@2: class TInet6HeaderICMP
williamr@2: /**
williamr@2: * ICMPv6 header common part layout.
williamr@2: *
williamr@2: * The basic ICMP header format only covers the common part (4 bytes)
williamr@2: * and 4 bytes of the Message Body (can be accesses as "Parameter")
williamr@2: @verbatim
williamr@2: Extract from RFC-2462: General format of ICMP message
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Code      |          Checksum             |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                                                               |
williamr@2: +                         Message Body                          +
williamr@2: |                                                               |
williamr@2: @endverbatim
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline TInt HeaderLength() const
williamr@2: 		/**
williamr@2: 		* Gets the header length.	
williamr@2: 		* 
williamr@2: 		* @note
williamr@2: 		*	This length is not the true length of the
williamr@2: 		*	ICMP header. This only covers the fixed part.
williamr@2: 		* 
williamr@2: 		* @return	Header length.
williamr@2: 		*/
williamr@2: 		{return 4;}
williamr@2: 	inline static TInt MinHeaderLength()
williamr@2: 		/**
williamr@2: 		* Gets the minimum header length.
williamr@2: 		* 
williamr@2: 		* @return	Minimum header length
williamr@2: 		*/
williamr@2: 		{return 4; }
williamr@2: 	inline static TInt MaxHeaderLength()
williamr@2: 		/**
williamr@2: 		* Gets the maximum header length.
williamr@2: 		* 
williamr@2: 		* @note
williamr@2: 		*	This length is not the true length of the
williamr@2: 		*	ICMP header. This only covers the fixed part.
williamr@2: 		* 
williamr@2: 		* @return	Maximum header length
williamr@2: 		*/
williamr@2: 		{return 4; }
williamr@2: 	inline TUint8 *EndPtr() const
williamr@2: 		/**
williamr@2: 		* Gets a pointer to the byte following the header.
williamr@2: 		* 
williamr@2: 		* @return
williamr@2: 		*	Pointer to the byte following the minimum
williamr@2: 		*	fixed header
williamr@2: 		*/
williamr@2: 		{return (TUint8 *)i + HeaderLength();}
williamr@2: 	//
williamr@2: 	// Access, get ICMP header field values from the packet
williamr@2: 	//
williamr@2: 	inline TUint8 Type() const
williamr@2: 		/**
williamr@2: 		* Gets the ICMPv6 type from the header.
williamr@2: 		* @return ICMPv6 type [0..255]
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return i[0];
williamr@2: 		}
williamr@2: 	inline TUint8 Code() const
williamr@2: 		/**
williamr@2: 		* Gets the ICMPv6 code from the header.
williamr@2: 		* @return ICMPv6 code [0..255]
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return i[1];
williamr@2: 		}
williamr@2: 	inline TInt Checksum() const
williamr@2: 		/**
williamr@2: 		* Gets the Checksum from the header.
williamr@2: 		* @return Header Checksum (TUint16 in NETWORK byte order)
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		// Checksum is used in network byte order
williamr@2: 		return *((TUint16 *)&i[2]);
williamr@2: 		}
williamr@2: 	inline TUint32 Parameter() const
williamr@2: 		/**
williamr@2: 		* Gets the ICMPv6 Parameter.
williamr@2: 		*
williamr@2: 		* Accesses the first 4 bytes of ICMP message body, and assumes
williamr@2: 		* they form a 32 bit integer in network byte order. Returns
williamr@2: 		* this integer in host order.
williamr@2: 		*
williamr@2: 		* @return ICMPv6 Parameter (as an integer)
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (i[4] << 24) | (i[5] << 16) | (i[6] << 8) | i[7];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Build, set IP header field values into the packet
williamr@2: 	//
williamr@2: 	inline void SetType(TUint8 aType)
williamr@2: 		/**
williamr@2: 		* Sets the ICMPv6 type.
williamr@2: 		* @param aType ICMPv6 type [0..255]
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[0] = aType;
williamr@2: 		}
williamr@2: 	inline void SetCode(TUint8 aCode)
williamr@2: 		/**
williamr@2: 		* Sets the ICMPv6 code.
williamr@2: 		* @param aCode ICMPv6 code [0..255]
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[1] = aCode;
williamr@2: 		}
williamr@2: 	inline void SetChecksum(TInt aSum)
williamr@2: 		/**
williamr@2: 		* Sets the Checksum.
williamr@2: 		*
williamr@2: 		* @param aSum
williamr@2: 		*	The Checksum [0..65535] (16 least significant bits
williamr@2: 		*	stored as is (assumed to be in NETWORK byte order).					
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		*((TUint16 *)&i[2]) = (TUint16)aSum;
williamr@2: 		}
williamr@2: 	inline void SetParameter(TUint32 aValue)
williamr@2: 		/**
williamr@2: 		* Sets the ICMPv6 Parameter.
williamr@2: 		*
williamr@2: 		* The value is converted into network byte order and
williamr@2: 		* stored as the first 4 bytes of the ICMP message body.
williamr@2: 		*
williamr@2: 		* @param aValue
williamr@2: 		*	The parameter.
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[7] = (TUint8)aValue;
williamr@2: 		i[6] = (TUint8)(aValue >> 8);
williamr@2: 		i[5] = (TUint8)(aValue >> 16);
williamr@2: 		i[4] = (TUint8)(aValue >> 24);
williamr@2: 		}
williamr@2: 
williamr@2: protected:
williamr@2: 	union
williamr@2: 		{
williamr@2: 		TUint8 i[8];
williamr@2: 		TUint32 iAlign;	// A dummy member to force the 4 byte alignment
williamr@2: 		};
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: //
williamr@2: // TInet6HeaderICMP_Echo
williamr@2: //
williamr@2: class TInet6HeaderICMP_Echo : public TInet6HeaderICMP
williamr@2: /**
williamr@2: * ICMPv6 Echo Request and Echo Reply layout.
williamr@2: *
williamr@2: * Describes the ICMP Echo Request and Replay layout. The space for
williamr@2: * Identifier and Sequence is already covered by the base class.
williamr@2: *
williamr@2: @verbatim
williamr@2: RFC-2463:
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Code      |          Checksum             |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |           Identifier          |        Sequence Number        |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Data ...
williamr@2: +-+-+-+-+-
williamr@2: @endverbatim
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	//
williamr@2: 	// General
williamr@2: 	//
williamr@2: 	inline TInt HeaderLength() const
williamr@2: 		/**
williamr@2: 		* Gets the header length.
williamr@2: 		* @return The length
williamr@2: 		*/
williamr@2: 		{return 8;}
williamr@2: 	inline static TInt MinHeaderLength()
williamr@2: 		/**
williamr@2: 		* Gets the minimum header length.	
williamr@2: 		* @return The length
williamr@2: 		*/
williamr@2: 		{return 8; }
williamr@2: 	inline static TInt MaxHeaderLength()
williamr@2: 		/**
williamr@2: 		* Gets the maximum header length.	
williamr@2: 		* @return The length
williamr@2: 		*/
williamr@2: 		{return 8; }
williamr@2: 
williamr@2: 	//
williamr@2: 	// Access, get ICMP header field values from the packet
williamr@2: 	//
williamr@2: 	inline TInt Identifier() const
williamr@2: 		/**
williamr@2: 		* Gets the Idenfifier
williamr@2: 		* @return The Identifier
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (i[4] << 8) + i[5];
williamr@2: 		}
williamr@2: 	inline TInt Sequence() const
williamr@2: 		/**
williamr@2: 		* Gets the Sequence Number
williamr@2: 		* @return The number
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (i[6] << 8) + i[7];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Build, set IP header field values into the packet
williamr@2: 	//
williamr@2: 	inline void SetIdentifier(TUint16 aIdentifier)
williamr@2: 		/**
williamr@2: 		* Sets the Idenfifier
williamr@2: 		* @param aIdentifier The Identifier
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[4] = (TUint8)(aIdentifier >> 8);
williamr@2: 		i[5] = (TUint8)aIdentifier;
williamr@2: 		}
williamr@2: 	inline void SetSequence(TUint16 aSequence)
williamr@2: 		/**
williamr@2: 		* Sets the Sequence Number
williamr@2: 		* @param aSequence The number
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[6] = (TUint8)(aSequence >> 8);
williamr@2: 		i[7] = (TUint8)aSequence;
williamr@2: 		}
williamr@2: private:
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: class TInet6HeaderICMP_RouterSol: public TInet6HeaderICMP
williamr@2: /**
williamr@2: * ICMPv6 Router Solicitation layout.
williamr@2: *
williamr@2: @verbatim
williamr@2: Router Solicitation Message Format (from RFC-2461)
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Code      |          Checksum             |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                            Reserved                           |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |   Options ...
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-
williamr@2: @endverbatim
williamr@2: * Aside from the fields provided by the base class, there is nothing
williamr@2: * else here.
williamr@2: *
williamr@2: * Valid options:
williamr@2: *
williamr@2: * - #KInet6OptionICMP_SourceLink
williamr@2: *
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline static TInt MinHeaderLength() {return 8; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 8; }
williamr@2: 	inline TInt HeaderLength() const {return 8;}
williamr@2: 	};
williamr@2: 
williamr@2: // Router Advertisement Message Format from RFC-2461
williamr@2: class TInet6HeaderICMP_RouterAdv : public TInet6HeaderICMP
williamr@2: /**
williamr@2: * ICMPv6 Router Advertisement layout.
williamr@2: *
williamr@2: * (Neighbour Discovery for IP version 6)
williamr@2: * (+ Home Agent flag from draft-ietf-mobileip-ipv6-08)
williamr@2: @verbatim
williamr@2: Type=134, Code=0
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Code      |          Checksum             |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: | Cur Hop Limit |M|O|H|Prf|Rsrvd|       Router Lifetime         |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                         Reachable Time                        |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                          Retrans Timer                        |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |   Options ...
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-
williamr@2: @endverbatim
williamr@2: *
williamr@2: * @note
williamr@2: *	Above is longer thant what is declared in the base class
williamr@2: *	i-member. The user must verify the sufficient length of
williamr@2: *	the packet, when using this.
williamr@2: *
williamr@2: * Valid options:
williamr@2: *
williamr@2: * - #KInet6OptionICMP_SourceLink
williamr@2: * - #KInet6OptionICMP_Mtu
williamr@2: * - #KInet6OptionICMP_Prefix
williamr@2: * - #KInet6OptionICMP_RouteInformation (draft)
williamr@2: *
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	//
williamr@2: 	// General
williamr@2: 	//
williamr@2: 	inline static TInt MinHeaderLength() {return 16; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 16; }
williamr@2: 	inline TInt HeaderLength() const {return 16;}
williamr@2: 	//
williamr@2: 	// Access, get ICMP header field values from the packet
williamr@2: 	//
williamr@2: 	inline TInt CurHopLimit() const
williamr@2: 		/**
williamr@2: 		* Gets Cur Hop Limit.
williamr@2: 		* @return Hop Limit
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return i[4];
williamr@2: 		}
williamr@2: 	inline TInt Flags() const
williamr@2: 		/**
williamr@2: 		* Gets flags byte
williamr@2: 		* @return Flags (M, O, H, Prf and Rsrvd)
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return i[5];		// M + O + Reserved as one unit
williamr@2: 		}
williamr@2: 	inline TInt M() const
williamr@2: 		/** Gets Managed Address Configuration (M) flag */
williamr@2: 		{
williamr@2: 		return i[5] & 0x80;
williamr@2: 		}
williamr@2: 	inline TInt O() const
williamr@2: 		/** Gets Other Address Configuartion (O) flag */
williamr@2: 		{
williamr@2: 		return i[5] & 0x40;
williamr@2: 		}
williamr@2: 	inline TInt H() const
williamr@2: 		/** Gets Home Agent Configuration (H) flag */
williamr@2: 		{
williamr@2: 		return i[5] & 0x20;
williamr@2: 		}
williamr@2: #if 1
williamr@2: 	inline TInt Prf() const
williamr@2: 		/**
williamr@2: 		* Gets default route preference.
williamr@2: 		*
williamr@2: 		* Experimental: draft-draves-ipngwg-router-selection-01.txt
williamr@2: 		* Default Router Preferences and More-Specific Routes
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (i[5] >> 3) & 0x3;	// should be treated as 2bit signed int
williamr@2: 		}
williamr@2: #endif
williamr@2: 	inline TInt RouterLifetime() const
williamr@2: 		/**
williamr@2: 		* Gets the lifetime of the defaul route.
williamr@2: 		*
williamr@2: 		* If non-zero, specifies how long (in seconds) this
williamr@2: 		* router is willing to act as a default router.
williamr@2: 		*
williamr@2: 		* @return The life time of the default route.
williamr@2: 		*
williamr@2: 		* @note
williamr@2: 		*	This is badly named. The parameter controls
williamr@2: 		*	only the default route processing. The value
williamr@2: 		*	ZERO does not mean that the sender is not a
williamr@2: 		*	router.
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (i[6] << 8) + i[7];
williamr@2: 		}
williamr@2: 	inline TUint32 ReachableTime() const
williamr@2: 		/**
williamr@2: 		* Gets the value of reachable timer.
williamr@2: 		*/
williamr@2: 		{
williamr@4: 		// coverity[overrun-local]
williamr@2: 		return (i[8] << 24) | (i[9] << 16) | (i[10] << 8) | i[11];
williamr@2: 		}
williamr@2: 	inline TUint32 RetransTimer() const
williamr@2: 		/**
williamr@2: 		* Gets the value of retransmit timer.
williamr@2: 		*/
williamr@2: 		{
williamr@4: 		// coverity[overrun-local]
williamr@2: 		return (i[12] << 24) | (i[13] << 16) | (i[14] << 8) | i[15];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Build, set IP header field values into the packet
williamr@2: 	//
williamr@2: 	inline void SetCurHopLimit(TInt aLimit)
williamr@2: 		/**
williamr@2: 		* Sets the Cur Hoplimit.
williamr@2: 		* @param	aLimit	The Hoplimit [0..255]
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[4] = (TUint8)aLimit;
williamr@2: 		}
williamr@2: 	inline void SetFlags(TInt aFlags)
williamr@2: 		/**
williamr@2: 		* Sets the flags.
williamr@2: 		* @param	aFlags	The flags bits [0..255].
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[5] = (TUint8)aFlags;
williamr@2: 		}
williamr@2: 	inline void SetRouterLifetime(TInt aTime)
williamr@2: 		/**
williamr@2: 		* Sets the lifetime of the default route.
williamr@2: 		* @param aTime The lifetime.
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		i[7] = (TUint8)aTime;
williamr@2: 		i[6] = (TUint8)(aTime >> 8);
williamr@2: 		}
williamr@2: 	inline void SetReachableTime(TUint32 aTime)
williamr@2: 		/**
williamr@2: 		* Sets the value of reachable timer
williamr@2: 		* @param aTime The timer value
williamr@2: 		*/
williamr@2: 		{
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[11] = (TUint8)aTime;
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[10] = (TUint8)(aTime >> 8);
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[9] = (TUint8)(aTime >> 16);
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[8] = (TUint8)(aTime >> 24);
williamr@2: 		}
williamr@2: 	inline void SetRetransTimer(TUint32 aTimer)
williamr@2: 		/**
williamr@2: 		* Sets the value of the retransmit timer
williamr@2: 		* @param aTimer The timer value
williamr@2: 		*/
williamr@2: 		{
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[15] = (TUint8)aTimer;
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[14] = (TUint8)(aTimer >> 8);
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[13] = (TUint8)(aTimer >> 16);
williamr@4: 		// coverity[overrun-local]
williamr@2: 		i[12] = (TUint8)(aTimer >> 24);
williamr@2: 		}
williamr@2: 
williamr@2: private:
williamr@2: 	};
williamr@2: 
williamr@2: class TInet6HeaderICMP_NeighborSol : public TInet6HeaderICMP
williamr@2: /**
williamr@2: * ICMPv6 Neighbour Solicitation layout.
williamr@2: @verbatim
williamr@2: Neigbour Solicitation Message Format from RFC-2461
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Code      |          Checksum             |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                           Reserved                            |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +                       Target Address                          +
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |   Options ...
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-
williamr@2: @endverbatim
williamr@2: *
williamr@2: * @note
williamr@2: *	Above is longer thant what is declared in the base class
williamr@2: *	i-member. The user must verify the sufficient length of
williamr@2: *	the packet, when using this.
williamr@2: *
williamr@2: * Valid options:
williamr@2: *
williamr@2: * - #KInet6OptionICMP_SourceLink
williamr@2: *
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	//
williamr@2: 	// General
williamr@2: 	//
williamr@2: 	inline static TInt MinHeaderLength() {return 24; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 24; }
williamr@2: 	inline TInt HeaderLength() const {return 24;}
williamr@2: 	inline TIp6Addr &Target() const
williamr@2: 		/**
williamr@2: 		* Gets the Target Address.
williamr@2: 		*
williamr@2: 		* @return The target address (reference).
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (TIp6Addr &)i[8];
williamr@2: 		}
williamr@2: private:
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: class TInet6HeaderICMP_NeighborAdv : public TInet6HeaderICMP
williamr@2: /**
williamr@2: * ICMPv6 Neighbour Advertisement layout.
williamr@2: @verbatim
williamr@2: Neighbor Advertisement Message Format (from RFC-2461)
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Code      |          Checksum             |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |R|S|O|                     Reserved                            |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +                       Target Address                          +
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |   Options ...
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-
williamr@2: @endverbatim
williamr@2: * @note
williamr@2: *	Above is longer thant what is declared in the base class
williamr@2: *	i-member. The user must verify the sufficient length of
williamr@2: *	the packet, when using this.
williamr@2: *
williamr@2: * Valid options:
williamr@2: *
williamr@2: * - #KInet6OptionICMP_TargetLink
williamr@2: *
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	//
williamr@2: 	// General
williamr@2: 	//
williamr@2: 	inline static TInt MinHeaderLength() {return 24; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 24; }
williamr@2: 	inline TInt HeaderLength() const {return 24;}
williamr@2: 
williamr@2: 	//
williamr@2: 	// Set and Access the Target Address
williamr@2: 	//
williamr@2: 	inline TIp6Addr &Target() const
williamr@2: 		/**
williamr@2: 		* Gets the Target Address.
williamr@2: 		*
williamr@2: 		* @return The target address (reference).
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (TIp6Addr &)i[8];
williamr@2: 		}
williamr@2: 
williamr@2: 	inline TInt R()
williamr@2: 		{
williamr@2: 		return 0x80 & i[4];
williamr@2: 		}
williamr@2: 	inline TInt S()
williamr@2: 		{
williamr@2: 		return 0x40 & i[4];
williamr@2: 		}
williamr@2: 	inline TInt O()
williamr@2: 		{
williamr@2: 		return 0x20 & i[4];
williamr@2: 		}
williamr@2: 	inline void SetR(TInt aValue)
williamr@2: 		{
williamr@2: 		if (aValue) i[4] |= 0x80; else i[4] &= ~0x80;
williamr@2: 		}
williamr@2: 	inline void SetS(TInt aValue)
williamr@2: 		{
williamr@2: 		if (aValue) i[4] |= 0x40; else i[4] &= ~0x40;
williamr@2: 		}
williamr@2: 	inline void SetO(TInt aValue)
williamr@2: 		{
williamr@2: 		if (aValue) i[4] |= 0x20; else i[4] &= ~0x20;
williamr@2: 		}
williamr@2: 
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: class TInet6HeaderICMP_Redirect : public TInet6HeaderICMP
williamr@2: /**
williamr@2: * ICMPv6 Redirect layout.
williamr@2: @verbatim
williamr@2: Redirect Message Format (RFC-2461)
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Code      |          Checksum             |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                           Reserved                            |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +                       Target Address                          +
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +                     Destination Address                       +
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |   Options ...
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-
williamr@2: 
williamr@2: @endverbatim
williamr@2: * @note
williamr@2: *	Above is longer thant what is declared in the base class
williamr@2: *	i-member. The user must verify the sufficient length of
williamr@2: *	the packet, when using this.
williamr@2: *
williamr@2: * Valid options:
williamr@2: *
williamr@2: * - #KInet6OptionICMP_TargetLink
williamr@2: * - #KInet6OptionICMP_Redirect
williamr@2: *
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	//
williamr@2: 	// General
williamr@2: 	//
williamr@2: 	inline static TInt MinHeaderLength() {return 40; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 40; }
williamr@2: 	inline TInt HeaderLength() const {return 40;}
williamr@2: 
williamr@2: 	inline TIp6Addr &Target() const
williamr@2: 		/**
williamr@2: 		* Gets the Target Address.
williamr@2: 		*
williamr@2: 		* @return The target address (reference).
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (TIp6Addr &)i[8];
williamr@2: 		}
williamr@2: 	inline TIp6Addr &Destination() const
williamr@2: 		/**
williamr@2: 		* Gets the Destination Address.
williamr@2: 		*
williamr@2: 		* @return The destination address (reference).
williamr@2: 		*/
williamr@2: 		{
williamr@2: 		return (TIp6Addr &)i[24];
williamr@2: 		}
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: class TInet6OptionICMP_LinkLayer
williamr@2: /**
williamr@2: * ICMPv6 Link-layer Address layout.
williamr@2: @verbatim
williamr@2: Source/Target Link-layer Address Option (RFC-2461)
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |    Length     |    Link-Layer Address ...
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: @endverbatim
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline static TInt MinHeaderLength() {return 8; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 8; }	// Not very useful
williamr@2: 	inline TInt HeaderLength() const {return Length() * 8; }
williamr@2: 	//
williamr@2: 	// Access
williamr@2: 	//
williamr@2: 	inline TInt Type() const
williamr@2: 		{
williamr@2: 		return i[0];
williamr@2: 		}
williamr@2: 	inline TInt Length() const
williamr@2: 		{
williamr@2: 		return i[1];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Access and Set
williamr@2: 	//
williamr@2: 	inline TPtr8 Address() const
williamr@2: 		{
williamr@2: 		return TPtr8((TUint8 *)&i[2], i[1] * 8 - 2, i[1] * 8 - 2);
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Construct methods
williamr@2: 	//
williamr@2: 	inline void SetType(TInt aType)
williamr@2: 		{
williamr@2: 		i[0] = (TUint8)aType;
williamr@2: 		}
williamr@2: 	inline void SetLength(TInt aLength)
williamr@2: 		{
williamr@2: 		i[1] = (TUint8)aLength;
williamr@2: 		}
williamr@2: private:
williamr@2: 	union
williamr@2: 		{
williamr@2: 		TUint8 i[8];
williamr@2: 		TUint32 iAlign;	// A dummy member to force the 4 byte alignment
williamr@2: 		};
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: class TInet6OptionICMP_Prefix
williamr@2: /**
williamr@2: * ICMPv6 Prefix Infotmation Option.
williamr@2: @verbatim
williamr@2: Prefix Information Option (RFC-2461)
williamr@2: (+ Router Address flag from draft-ietf-mobileip-ipv6-08)
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |    Length     | Prefix Length |L|A|R| Rsrvd1  |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                         Valid Lifetime                        |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                       Preferred Lifetime                      |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                           Reserved2                           |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +                            Prefix                             +
williamr@2: |                                                               |
williamr@2: +                                                               +
williamr@2: |                                                               |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: 
williamr@2: @endverbatim
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline static TInt MinHeaderLength() {return 4*8; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 4*8; }	// Not very useful
williamr@2: 	inline TInt HeaderLength() const {return 4*8; }
williamr@2: 
williamr@2: 	inline TInt Type() const
williamr@2: 		{
williamr@2: 		return i[0];
williamr@2: 		}
williamr@2: 	inline TInt Length() const
williamr@2: 		{
williamr@2: 		return i[1];
williamr@2: 		}
williamr@2: 	inline TInt PrefixLength() const
williamr@2: 		{
williamr@2: 		return i[2];	// 0..128
williamr@2: 		}
williamr@2: 	inline TInt LFlag() const
williamr@2: 		{
williamr@2: 		return i[3] & 0x80;
williamr@2: 		}
williamr@2: 	inline TInt AFlag() const
williamr@2: 		{
williamr@2: 		return i[3] & 0x40;
williamr@2: 		}
williamr@2: 	inline TInt RFlag() const
williamr@2: 		{
williamr@2: 		return i[3] & 0x20;
williamr@2: 		}
williamr@2: 	inline TUint32 ValidLifetime() const
williamr@2: 		{
williamr@2: 		return (i[4] << 24) | (i[5] << 16) | (i[6] << 8) | i[7];
williamr@2: 		}
williamr@2: 	inline TUint32 PreferredLifetime() const
williamr@2: 		{
williamr@2: 		return (i[8] << 24) | (i[9] << 16) | (i[10] << 8) | i[11];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	//
williamr@2: 	inline TIp6Addr &Prefix() const
williamr@2: 		{
williamr@2: 		return (TIp6Addr &)i[16];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Construct methods
williamr@2: 	//
williamr@2: 	inline void SetType(TInt aType)
williamr@2: 		{
williamr@2: 		i[0] = (TUint8)aType;
williamr@2: 		}
williamr@2: 	inline void SetLength(TInt aLength)
williamr@2: 		{
williamr@2: 		i[1] = (TUint8)aLength;
williamr@2: 		}
williamr@2: 	inline void SetPrefixLength(TInt aLength)
williamr@2: 		{
williamr@2: 		i[2] = (TUint8)aLength;
williamr@2: 		}
williamr@2: 	inline void SetFlags(TInt aFlags)
williamr@2: 		{
williamr@2: 		i[3] = (TUint8)aFlags;
williamr@2: 		}
williamr@2: 	inline void SetValidLifetime(TUint32 aTime)
williamr@2: 		{
williamr@2: 		i[7] = (TUint8)aTime;
williamr@2: 		i[6] = (TUint8)(aTime >> 8);
williamr@2: 		i[5] = (TUint8)(aTime >> 16);
williamr@2: 		i[4] = (TUint8)(aTime >> 24);
williamr@2: 		}
williamr@2: 	inline void SetPreferredLifetime(TUint32 aTime)
williamr@2: 		{
williamr@2: 		i[11] = (TUint8)aTime;
williamr@2: 		i[10] = (TUint8)(aTime >> 8);
williamr@2: 		i[9] = (TUint8)(aTime >> 16);
williamr@2: 		i[8] = (TUint8)(aTime >> 24);
williamr@2: 		}
williamr@2: 	inline void SetReserved2(TUint32 aFiller)
williamr@2: 		{
williamr@2: 		i[15] = (TUint8)aFiller;
williamr@2: 		i[14] = (TUint8)(aFiller >> 8);
williamr@2: 		i[13] = (TUint8)(aFiller >> 16);
williamr@2: 		i[12] = (TUint8)(aFiller >> 24);
williamr@2: 		}
williamr@2: 
williamr@2: 
williamr@2: private:
williamr@2: 	union
williamr@2: 		{
williamr@2: 		TUint8 i[4*8];
williamr@2: 		TUint32 iAlign;	// A dummy member to force the 4 byte alignment
williamr@2: 		};
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: class TInet6OptionICMP_Mtu
williamr@2: /**
williamr@2: * ICMPv6 MTU Option.
williamr@2: @verbatim
williamr@2: MTU Option (RFC-2461)
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |    Length     |           Reserved            |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                              MTU                              |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: @endverbatim
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline static TInt MinHeaderLength() {return 8; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 8; }	// Not very useful
williamr@2: 	inline TInt HeaderLength() const {return 8; }
williamr@2: 
williamr@2: 	inline TInt Type() const
williamr@2: 		{
williamr@2: 		return i[0];
williamr@2: 		}
williamr@2: 	inline TInt Length() const
williamr@2: 		{
williamr@2: 		return i[1];
williamr@2: 		}
williamr@2: 	inline TInt Mtu() const
williamr@2: 		{
williamr@2: 		return (i[4] << 24) | (i[5] << 16) | (i[6] << 8) | i[7];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Construct methods
williamr@2: 	//
williamr@2: 	inline void SetType(TInt aType)
williamr@2: 		{
williamr@2: 		i[0] = (TUint8)aType;
williamr@2: 		}
williamr@2: 	inline void SetLength(TInt aLength)
williamr@2: 		{
williamr@2: 		i[1] = (TUint8)aLength;
williamr@2: 		// Silently ZERO the reserved bits... not too nice --- msa
williamr@2: 		i[2] = 0;
williamr@2: 		i[3] = 0;
williamr@2: 		}
williamr@2: 	inline void SetMtu(TUint32 aMtu)
williamr@2: 		{
williamr@2: 		i[7] = (TUint8)aMtu;
williamr@2: 		i[6] = (TUint8)(aMtu >> 8);
williamr@2: 		i[5] = (TUint8)(aMtu >> 16);
williamr@2: 		i[4] = (TUint8)(aMtu >> 24);
williamr@2: 		}
williamr@2: private:
williamr@2: 	TUint8 i[8];
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: #if 1
williamr@2: class TInet6OptionICMP_RouteInformation
williamr@2: // Route Information Option 
williamr@2: // Experimental: draft-draves-ipngwg-router-selection-01.txt
williamr@2: /**
williamr@2: *  ICMPv6 Route Information Option.
williamr@2: @verbatim
williamr@2: Default Router Preferences and More-Specific Routes
williamr@2: 
williamr@2:  0                   1                   2                   3 
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
williamr@2: |     Type      |    Length     | Prefix Length |Resvd|Prf|Resvd| 
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
williamr@2: |                        Route Lifetime                         | 
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
williamr@2: |                                                               | 
williamr@2: +                                                               + 
williamr@2: |                                                               | 
williamr@2: +                            Prefix                             + 
williamr@2: |                                                               | 
williamr@2: +                                                               + 
williamr@2: |                                                               | 
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
williamr@2: @endverbatim
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline static TInt MinHeaderLength() {return 8; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 3*8; }
williamr@2: 	inline TInt HeaderLength() const {return Length()*8; }
williamr@2: 
williamr@2: 	inline TInt Type() const
williamr@2: 		{
williamr@2: 		return i[0];
williamr@2: 		}
williamr@2: 	inline TInt Length() const
williamr@2: 		{
williamr@2: 		return i[1];
williamr@2: 		}
williamr@2: 	inline TInt PrefixLength() const
williamr@2: 		{
williamr@2: 		return i[2];	// 0..128
williamr@2: 		}
williamr@2: 	inline TInt Prf() const
williamr@2: 		{
williamr@2: 		return (i[3] >> 3) & 0x3;	// should be treated as 2bit signed int
williamr@2: 		}
williamr@2: 	inline TUint32 RouteLifetime() const
williamr@2: 		{
williamr@2: 		return (i[4] << 24) | (i[5] << 16) | (i[6] << 8) | i[7];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// *WARNING* The "Prefix" returns a raw reference to the beginning
williamr@2: 	// of the prefix field in the option structure. HOWEVER, the option
williamr@2: 	// field can be shorter than 128 bits! If used to allocate space,
williamr@2: 	// the maximum is allocated and the method is safe, but that is not
williamr@2: 	// true if header is mapped directly to the received packet! -- msa
williamr@2: 	inline TIp6Addr &Prefix() const
williamr@2: 		{
williamr@2: 		return (TIp6Addr &)i[8];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Construct methods
williamr@2: 	//
williamr@2: 	inline void SetType(TInt aType)
williamr@2: 		{
williamr@2: 		i[0] = (TUint8)aType;
williamr@2: 		}
williamr@2: 	inline void SetLength(TInt aLength)
williamr@2: 		{
williamr@2: 		i[1] = (TUint8)aLength;
williamr@2: 		}
williamr@2: 	inline void SetPrefixLength(TInt aLength)
williamr@2: 		{
williamr@2: 		i[2] = (TUint8)aLength;
williamr@2: 		}
williamr@2: 	inline void SetPrefixLifetime(TUint32 aTime)
williamr@2: 		{
williamr@2: 		i[7] = (TUint8)aTime;
williamr@2: 		i[6] = (TUint8)(aTime >> 8);
williamr@2: 		i[5] = (TUint8)(aTime >> 16);
williamr@2: 		i[4] = (TUint8)(aTime >> 24);
williamr@2: 		}
williamr@2: 
williamr@2: private:
williamr@2: 	union
williamr@2: 		{
williamr@2: 		TUint8 i[3*8];	// The space allocated for MAX LENGTH
williamr@2: 		TUint32 iAlign;	// A dummy member to force the 4 byte alignment
williamr@2: 		};
williamr@2: 	};
williamr@2: 
williamr@2: class TInet6OptionICMP_DnsInformation
williamr@2: /**
williamr@2: *  ICMPv6 Recursive DNS Server Option.
williamr@2: * IPv6 DNS Configuration based on Router Advertisement
williamr@2: *
williamr@2: * Experimental: draft-jeong-dnsop-ipv6-discovery-03.txt
williamr@2: @verbatim
williamr@2: Recursive DNS Server Option
williamr@2: 
williamr@2:  0                   1                   2                   3
williamr@2:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |     Type      |     Length    |  Pref |        Reserved       |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                           Lifetime                            |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2: |                                                               |
williamr@2: :                     IPv6 Address of RDNSS                     :
williamr@2: |                                                               |
williamr@2: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@2:      
williamr@2: @endverbatim
williamr@2: * @publishedAll
williamr@2: * @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline static TInt MinHeaderLength() {return 24; }
williamr@2: 	inline static TInt MaxHeaderLength() {return 24; }
williamr@2: 	inline TInt HeaderLength() const {return Length()*8; }
williamr@2: 
williamr@2: 	inline TInt Type() const
williamr@2: 		{
williamr@2: 		return i[0];
williamr@2: 		}
williamr@2: 	inline TInt Length() const
williamr@2: 		{
williamr@2: 		return i[1];
williamr@2: 		}
williamr@2: 	inline TInt Pref() const
williamr@2: 		{
williamr@2: 		return (i[3] >> 4) & 0xF;
williamr@2: 		}
williamr@2: 	inline TUint32 Lifetime() const
williamr@2: 		{
williamr@2: 		return (i[4] << 24) | (i[5] << 16) | (i[6] << 8) | i[7];
williamr@2: 		}
williamr@2: 	inline TIp6Addr &Address() const
williamr@2: 		{
williamr@2: 		return (TIp6Addr &)i[8];
williamr@2: 		}
williamr@2: 	//
williamr@2: 	// Construct methods
williamr@2: 	//
williamr@2: 	inline void SetType(TInt aType)
williamr@2: 		{
williamr@2: 		i[0] = (TUint8)aType;
williamr@2: 		}
williamr@2: 	inline void SetLength(TInt aLength)
williamr@2: 		{
williamr@2: 		i[1] = (TUint8)aLength;
williamr@2: 		}
williamr@2: 	inline void SetPref(TInt aPref)
williamr@2: 		{
williamr@2: 		i[2] = (TUint8)(((aPref << 4) & 0xF0) | (i[2] & 0xF));
williamr@2: 		}
williamr@2: 	inline void SetLifetime(TUint32 aTime)
williamr@2: 		{
williamr@2: 		i[7] = (TUint8)aTime;
williamr@2: 		i[6] = (TUint8)(aTime >> 8);
williamr@2: 		i[5] = (TUint8)(aTime >> 16);
williamr@2: 		i[4] = (TUint8)(aTime >> 24);
williamr@2: 		}
williamr@2: 
williamr@2: private:
williamr@2: 	union
williamr@2: 		{
williamr@2: 		TUint8 i[24];	// The space allocated for MAX LENGTH
williamr@2: 		TUint32 iAlign;	// A dummy member to force the 4 byte alignment
williamr@2: 		};
williamr@2: 	};
williamr@2: 
williamr@4: #ifdef SYMBIAN_TCPIPDHCP_UPDATE
williamr@4: class TInet6OptionICMP_DnsInformationV1
williamr@4: /**
williamr@4: * ICMPv6 Recursive DNS Server Option(RFC-5006)
williamr@4: * IPv6 DNS Configuration based on Router Advertisement
williamr@4: *
williamr@4: *  
williamr@4: @verbatim
williamr@4: Recursive DNS Server Option
williamr@4: 
williamr@4:  0                   1                   2                   3
williamr@4:  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
williamr@4: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@4: |     Type      |     Length    |  		        Reserved        |
williamr@4: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@4: |                           Lifetime                            |
williamr@4: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@4: |                                                               |
williamr@4: :                     IPv6 Address of RDNSS                     :
williamr@4: |                                                               |
williamr@4: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
williamr@4:      
williamr@4: @endverbatim
williamr@4: * @publishedAll
williamr@4: * @released
williamr@4: */
williamr@4: 	{
williamr@4: public:
williamr@4: 	inline static TInt MinRdnssOptionLength() {return RDNSSOPTION_HDRLENGTH + RDNSSADDRSIZE;}//24
williamr@4: 	
williamr@4: 	inline static TInt MaxRdnssOptionLength() {return RDNSSOPTION_HDRLENGTH + (RDNSSADDRSIZE*RDNSS_MAX_ADDRESS); }//72
williamr@4: 	
williamr@4: 	inline TInt HeaderLength() const {return RDNSSOPTION_HDRLENGTH;}//8
williamr@4: 	
williamr@4: 	inline TInt Type() const
williamr@4: 		{
williamr@4: 		return i[0];
williamr@4: 		}
williamr@4: 	inline TInt Length() const
williamr@4: 		{
williamr@4: 		return i[1];
williamr@4: 		}
williamr@4: 	inline TUint32 Lifetime() const
williamr@4: 		{
williamr@4: 		return (i[4] << 24) | (i[5] << 16) | (i[6] << 8) | i[7];
williamr@4: 		}
williamr@4: 	inline TIp6Addr &Address() const
williamr@4: 		{
williamr@4: 		return (TIp6Addr &)i[8];
williamr@4: 		}
williamr@4: 	inline TIp6Addr &GetNextAddress(TInt aOffset) const
williamr@4: 		{
williamr@4: 		return (TIp6Addr &)i[aOffset];
williamr@4: 		}
williamr@4: private:
williamr@4: 	union
williamr@4: 		{
williamr@4: 		TUint8 i[RDNSSOPTION_HDRLENGTH + (RDNSSADDRSIZE * RDNSS_MAX_ADDRESS)];	// The space allocated for MAX LENGTH of 4 DNS address
williamr@4: 		TUint32 iAlign;	// A dummy member to force the 4 byte alignment
williamr@4: 		};
williamr@4: 	};
williamr@4: #endif //SYMBIAN_TCPIPDHCP_UPDATE
williamr@2: #endif
williamr@2: 
williamr@2: /**
williamr@2: * @name ICMPv6 Error Message Types (0-127)
williamr@2: */
williamr@2: //@{
williamr@2: const TUint8 KInet6ICMP_Unreachable		= 1;
williamr@2: const TUint8 KInet6ICMP_PacketTooBig	= 2;
williamr@2: const TUint8 KInet6ICMP_TimeExceeded	= 3;
williamr@2: const TUint8 KInet6ICMP_ParameterProblem= 4;
williamr@2: //@}
williamr@2: /**
williamr@2: * @name ICMPv6 Informational Message Types (128-255)
williamr@2: */
williamr@2: //@{
williamr@2: /** Echo Request. See TInet6HeaderICMP_Echo. */
williamr@2: const TUint8 KInet6ICMP_EchoRequest		= 128;
williamr@2: /** Echo Reply. See TInet6HeaderICMP_Echo. */
williamr@2: const TUint8 KInet6ICMP_EchoReply		= 129;
williamr@2: /** Not implemented. */
williamr@2: const TUint8 KInet6ICMP_GroupQuery		= 130;
williamr@2: /** Not implemented. */
williamr@2: const TUint8 KInet6ICMP_GroupReport		= 131;
williamr@2: /** Not implemented. */
williamr@2: const TUint8 KInet6ICMP_GroupDone		= 132;
williamr@2: /** Router Solicitation. See TInet6HeaderICMP_RouterSol. */
williamr@2: const TUint8 KInet6ICMP_RouterSol		= 133;
williamr@2: /** Router Advertisement. See TInet6HeaderICMP_RouterAdv. */
williamr@2: const TUint8 KInet6ICMP_RouterAdv		= 134;
williamr@2: /** Neighbor Solicitation. See TInet6HeaderICMP_NeighborSol. */
williamr@2: const TUint8 KInet6ICMP_NeighborSol		= 135;
williamr@2: /** Neighbor Advertisement. See TInet6HeaderICMP_NeighborAdv. */
williamr@2: const TUint8 KInet6ICMP_NeighborAdv		= 136;
williamr@2: /** Redirect. See TInet6HeaderICMP_Redirect. */
williamr@2: const TUint8 KInet6ICMP_Redirect		= 137;
williamr@2: //@}
williamr@2: 
williamr@2: /**
williamr@2: * @name ICMPv6 Option types.
williamr@2: * The default derivation of the symbol
williamr@2: * is from the name of the header class by replacing 'T' with 'K' (or
williamr@2: * vice versa).
williamr@2: *
williamr@2: */
williamr@2: //@{
williamr@2: /** Source Link-Layer Address. See TInet6OptionICMP_LinkLayer. */
williamr@2: const TInt KInet6OptionICMP_SourceLink	= 1;
williamr@2: /** Target Link-Layer Address. See TInet6OptionICMP_LinkLayer. */
williamr@2: const TInt KInet6OptionICMP_TargetLink	= 2;
williamr@2: /** Prefix Information. See TInet6OptionICMP_Prefix. */
williamr@2: const TInt KInet6OptionICMP_Prefix		= 3;
williamr@2: /** Redirect Header. (not implemented). */
williamr@2: const TInt KInet6OptionICMP_Redirect	= 4;
williamr@2: /** MTU.  See TInet6OptionICMP_Mtu. */
williamr@2: const TInt KInet6OptionICMP_Mtu			= 5;
williamr@4: #ifdef SYMBIAN_TCPIPDHCP_UPDATE
williamr@4: /** RFC 5006: Recursive DNS Server Option. See TInet6OptionICMP_DnsInformationV1*/
williamr@4: const TInt KInet6OptionICMP_RDNSS		= 25;
williamr@4: #endif //SYMBIAN_TCPIPDHCP_UPDATE
williamr@2: #if 1
williamr@2: 	// Experimental: draft-draves-ipngwg-router-selection-01.txt
williamr@2: 	// Default Router Preferences and More-Specific Routes
williamr@2: 	// *UNOFFICIAL NUMBER ASSIGNMENT (SAME AS MSR STACK)--REAL VALUE TBD*
williamr@2: /** Route Information. See TInet6OptionICMP_RouteInformation. */
williamr@2: const TInt KInet6OptionICMP_RouteInformation = 9;
williamr@2: #endif
williamr@2: //@}
williamr@2: 
williamr@2: //@}
williamr@2: #endif