/home/aaron/olsrd-current/olsrd/lib/bmf/src/Packet.h File Reference

#include <net/if.h>
#include <sys/types.h>

Include dependency graph for Packet.h:

Go to the source code of this file.

Data Structures
struct	TEncapHeader
struct	TSaveTtl
Defines
#define	ENCAP_HDR_LEN   ((int)sizeof(struct TEncapHeader))
#define	BMF_ENCAP_TYPE   1
#define	BMF_ENCAP_LEN   6
Functions
int	IsIpFragment (unsigned char *ipPacket)
u_int16_t	GetIpTotalLength (unsigned char *ipPacket)
unsigned int	GetIpHeaderLength (unsigned char *ipPacket)
u_int8_t	GetTtl (unsigned char *ipPacket)
void	SaveTtlAndChecksum (unsigned char *ipPacket, struct TSaveTtl *sttl)
void	RestoreTtlAndChecksum (unsigned char *ipPacket, struct TSaveTtl *sttl)
void	DecreaseTtlAndUpdateHeaderChecksum (unsigned char *ipPacket)
struct ip *	GetIpHeader (unsigned char *encapsulationUdpData)
unsigned char *	GetIpPacket (unsigned char *encapsulationUdpData)
u_int16_t	GetEncapsulationUdpDataLength (unsigned char *encapsulationUdpData)
Variables
struct TEncapHeader	__packed__

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Define Documentation

#define BMF_ENCAP_LEN   6

Definition at line 61 of file Packet.h.

Referenced by BmfEncapsulationPacketReceived(), BmfPacketCaptured(), and BmfTunPacketCaptured().

#define BMF_ENCAP_TYPE   1

Definition at line 60 of file Packet.h.

Referenced by BmfEncapsulationPacketReceived(), BmfPacketCaptured(), and BmfTunPacketCaptured().

#define ENCAP_HDR_LEN   ((int)sizeof(struct TEncapHeader))

Definition at line 59 of file Packet.h.

Referenced by BmfPacketCaptured(), BmfTunPacketCaptured(), DoBmf(), GetEncapsulationUdpDataLength(), GetIpHeader(), and GetIpPacket().

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Function Documentation

void DecreaseTtlAndUpdateHeaderChecksum

(

unsigned char *

ipPacket

)

Definition at line 188 of file Packet.c.

u_int16_t GetEncapsulationUdpDataLength

(

unsigned char *

encapsulationUdpData

)

Definition at line 239 of file Packet.c.

References ENCAP_HDR_LEN, GetIpPacket(), and GetIpTotalLength().

Referenced by BmfEncapsulationPacketReceived(), and EncapsulateAndForwardPacket().

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struct ip* GetIpHeader

(

unsigned char *

encapsulationUdpData

)

[read]

Definition at line 211 of file Packet.c.

unsigned int GetIpHeaderLength

(

unsigned char *

ipPacket

)

Definition at line 104 of file Packet.c.

unsigned char* GetIpPacket

(

unsigned char *

encapsulationUdpData

)

Definition at line 225 of file Packet.c.

u_int16_t GetIpTotalLength

(

unsigned char *

ipPacket

)

Definition at line 85 of file Packet.c.

u_int8_t GetTtl

(

unsigned char *

ipPacket

)

Definition at line 124 of file Packet.c.

int IsIpFragment

(

unsigned char *

ipPacket

)

Definition at line 62 of file Packet.c.

void RestoreTtlAndChecksum	(	unsigned char *	ipPacket,
		struct TSaveTtl *	sttl
	)

Definition at line 166 of file Packet.c.

void SaveTtlAndChecksum	(	unsigned char *	ipPacket,
		struct TSaveTtl *	sttl
	)

Definition at line 144 of file Packet.c.

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Variable Documentation

struct TSaveTtl __packed__