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

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

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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)
Variables
struct TEncapHeader	__packed__

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Define Documentation

#define BMF_ENCAP_LEN   6

Definition at line 64 of file Packet.h.

#define BMF_ENCAP_TYPE   1

Definition at line 63 of file Packet.h.

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

Definition at line 62 of file Packet.h.

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Function Documentation

void DecreaseTtlAndUpdateHeaderChecksum

(

unsigned char *

ipPacket

)

Definition at line 188 of file Packet.c.

References ARM_NOWARN_ALIGN.

struct ip* GetIpHeader

(

unsigned char *

encapsulationUdpData

)

[read]

Definition at line 211 of file Packet.c.

References ARM_NOWARN_ALIGN, and ENCAP_HDR_LEN.

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

unsigned int GetIpHeaderLength

(

unsigned char *

ipPacket

)

Definition at line 104 of file Packet.c.

References ARM_NOWARN_ALIGN.

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

unsigned char* GetIpPacket

(

unsigned char *

encapsulationUdpData

)

Definition at line 225 of file Packet.c.

References ENCAP_HDR_LEN.

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

u_int16_t GetIpTotalLength

(

unsigned char *

ipPacket

)

Definition at line 85 of file Packet.c.

References ARM_NOWARN_ALIGN.

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

u_int8_t GetTtl

(

unsigned char *

ipPacket

)

Definition at line 124 of file Packet.c.

References ARM_NOWARN_ALIGN.

int IsIpFragment

(

unsigned char *

ipPacket

)

Definition at line 62 of file Packet.c.

References ARM_NOWARN_ALIGN.

Referenced by BmfPacketCaptured().

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

Definition at line 166 of file Packet.c.

References ARM_NOWARN_ALIGN, TSaveTtl::check, and TSaveTtl::ttl.

Referenced by PacketCrc32().

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

Definition at line 144 of file Packet.c.

References ARM_NOWARN_ALIGN, TSaveTtl::check, and TSaveTtl::ttl.

Referenced by PacketCrc32().

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Variable Documentation

struct TSaveTtl __packed__