stream-tcp-sack.c File Reference

#include "suricata-common.h"
#include "stream-tcp.h"
#include "stream-tcp-private.h"
#include "stream-tcp-sack.h"
#include "util-unittest.h"

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Functions
	RB_GENERATE (TCPSACK, StreamTcpSackRecord, rb, TcpSackCompare)
int	TcpSackCompare (struct StreamTcpSackRecord *a, struct StreamTcpSackRecord *b)
int	StreamTcpSackUpdatePacket (TcpStream *stream, Packet *p)
	Update stream with SACK records from a TCP packet. More...
bool	StreamTcpSackPacketIsOutdated (TcpStream *stream, Packet *p)
void	StreamTcpSackPruneList (TcpStream *stream)
void	StreamTcpSackFreeList (TcpStream *stream)
	Free SACK tree from a stream. More...
void	StreamTcpSackRegisterTests (void)

Detailed Description

Author

Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Stream engine TCP SACK handling.

Definition in file stream-tcp-sack.c.

Function Documentation

RB_GENERATE()

RB_GENERATE	(	TCPSACK	,
		StreamTcpSackRecord	,
		rb	,
		TcpSackCompare
	)

StreamTcpSackFreeList()

void StreamTcpSackFreeList

(

TcpStream *

stream

)

Free SACK tree from a stream.

Parameters

stream

Stream to cleanup

Definition at line 438 of file stream-tcp-sack.c.

References StreamTcpSackRecord::le, RB_FOREACH_SAFE, StreamTcpSackRecord::re, TcpStream_::sack_size, TcpStream_::sack_tree, and SCEnter.

Referenced by StreamTcpStreamCleanup().

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StreamTcpSackPacketIsOutdated()

bool StreamTcpSackPacketIsOutdated	(	TcpStream *	stream,
		Packet *	p
	)

Definition at line 357 of file stream-tcp-sack.c.

StreamTcpSackPruneList()

void StreamTcpSackPruneList

(

TcpStream *

stream

)

Definition at line 403 of file stream-tcp-sack.c.

References TcpStream_::last_ack, StreamTcpSackRecord::le, RB_FOREACH_SAFE, StreamTcpSackRecord::re, TcpStream_::sack_size, TcpStream_::sack_tree, SCEnter, SCLogDebug, and SEQ_LT.

StreamTcpSackRegisterTests()

void StreamTcpSackRegisterTests

(

void

)

Definition at line 910 of file stream-tcp-sack.c.

References UtRegisterTest().

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StreamTcpSackUpdatePacket()

int StreamTcpSackUpdatePacket	(	TcpStream *	stream,
		Packet *	p
	)

Update stream with SACK records from a TCP packet.

Parameters

stream	The stream to update.
p	packet to get the SACK records from

Return values

-1	error
0	ok

Definition at line 249 of file stream-tcp-sack.c.

References SCEnter.

TcpSackCompare()

int TcpSackCompare	(	struct StreamTcpSackRecord *	a,
		struct StreamTcpSackRecord *	b
	)

Definition at line 34 of file stream-tcp-sack.c.

References StreamTcpSackRecord::le, StreamTcpSackRecord::re, SEQ_EQ, SEQ_GT, and SEQ_LT.