IPv6FrameProcessingStruct Struct Reference

IPv6 frame processing structure for packet analysis and header walking. More...

#include <ipv6_interface.h>

Public Member Functions
void	free_proc_struct ()
	Free the processing structure and associated resources.
void	release ()
	Release buffer pool resources.
uint8_t	WalkNextHeader (int *pError_offset=NULL)
	Walk through IPv6 extension headers to the next header.
bool	DestOptHasError (puint8_t pData, int *pError_offset)
	Check destination options header for errors.
bool	HopByHopParseHasError (puint8_t pData, int *pError_offset)
	Check hop-by-hop options header for errors.
bool	RouterHeaderParseHasError (puint8_t pData, int *pError_offset)
	Check routing header for errors.
	IPv6FrameProcessingStruct (PoolPtr pp)
	Constructor with buffer pool.
	IPv6FrameProcessingStruct ()
	Default constructor.
puint8_t	GetDataPointer ()
	Get pointer to frame data.
EFRAME *	GetEframe ()
	Get pointer to Ethernet frame.

Public Attributes
PoolPtr	root_pp
	Root buffer pool pointer.
IP6FRAME *	pIPf
	Pointer to IPv6 frame header.
uint8_t *	pData
	Pointer to current data location.
uint16_t	nDataLen
	Length of current data segment.
uint8_t *	pLargeData
	Used for fragments larger than 1500 bytes.

Detailed Description

IPv6 frame processing structure for packet analysis and header walking.

This structure contains all the necessary components for processing IPv6 packets, including buffer management and header parsing capabilities.

Constructor & Destructor Documentation

IPv6FrameProcessingStruct()

IPv6FrameProcessingStruct::IPv6FrameProcessingStruct

(

PoolPtr

pp

)

Constructor with buffer pool.

Parameters

pp	Buffer pool pointer

Member Function Documentation

DestOptHasError()

bool IPv6FrameProcessingStruct::DestOptHasError	(	puint8_t	pData,
		int *	pError_offset )

Check destination options header for errors.

Parameters

pData	Pointer to header data
pError_offset	Optional pointer to store error offset location

Returns

true if errors found, false otherwise

GetDataPointer()

puint8_t IPv6FrameProcessingStruct::GetDataPointer ( )

inline

Get pointer to frame data.

Returns

Pointer to frame data or NULL if not available

GetEframe()

EFRAME * IPv6FrameProcessingStruct::GetEframe ( )

inline

Get pointer to Ethernet frame.

Returns

Pointer to EFRAME or NULL if not available

HopByHopParseHasError()

bool IPv6FrameProcessingStruct::HopByHopParseHasError	(	puint8_t	pData,
		int *	pError_offset )

Check hop-by-hop options header for errors.

Parameters

pData	Pointer to header data
pError_offset	Optional pointer to store error offset location

Returns

true if errors found, false otherwise

RouterHeaderParseHasError()

bool IPv6FrameProcessingStruct::RouterHeaderParseHasError	(	puint8_t	pData,
		int *	pError_offset )

Check routing header for errors.

Parameters

pData	Pointer to header data
pError_offset	Optional pointer to store error offset location

Returns

true if errors found, false otherwise

WalkNextHeader()

uint8_t IPv6FrameProcessingStruct::WalkNextHeader

(

int *

pError_offset = NULL

)

Walk through IPv6 extension headers to the next header.

Parameters

pError_offset

Optional pointer to store error offset location

Returns

Next header type value

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The documentation for this struct was generated from the following file:

• ipv6_interface.h