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

#include "Packet.h"
#include <stddef.h>
#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include "defs.h"

Include dependency graph for Packet.c:

Go to the source code of this file.

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)

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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().

Here is the call graph for this function:

struct ip* GetIpHeader

(

unsigned char *

encapsulationUdpData

)

[read]

Definition at line 211 of file Packet.c.

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

unsigned int GetIpHeaderLength

(

unsigned char *

ipPacket

)

Definition at line 104 of file Packet.c.

Referenced by BmfPacketCaptured(), CheckAndUpdateLocalBroadcast(), DoBmf(), and IsOlsrOrBmfPacket().

unsigned char* GetIpPacket

(

unsigned char *

encapsulationUdpData

)

Definition at line 225 of file Packet.c.

Referenced by BmfEncapsulationPacketReceived(), BmfPacketCaptured(), BmfTunPacketCaptured(), DoBmf(), DoMDNS(), and GetEncapsulationUdpDataLength().

u_int16_t GetIpTotalLength

(

unsigned char *

ipPacket

)

Definition at line 85 of file Packet.c.

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

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.

Referenced by BmfPacketCaptured().

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

Definition at line 166 of file Packet.c.

Referenced by PacketCrc32().

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

Definition at line 144 of file Packet.c.

Referenced by PacketCrc32().