util-macset.c File Reference

#include "suricata-common.h"
#include "suricata.h"
#include "flow-util.h"
#include "flow-private.h"
#include "flow-storage.h"
#include "util-macset.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "conf.h"

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Data Structures
struct	MacSet_

Typedefs
typedef uint8_t	MacAddr[6]

Enumerations
enum	MacSetState { EMPTY_SET , SINGLE_MAC , MULTI_MAC }

Functions
void	MacSetRegisterFlowStorage (void)
bool	MacSetFlowStorageEnabled (void)
MacSet *	MacSetInit (int size)
FlowStorageId	MacSetGetFlowStorageID (void)
void	MacSetAddWithCtr (MacSet *ms, const uint8_t *src_addr, const uint8_t *dst_addr, ThreadVars *tv, uint16_t ctr_src, uint16_t ctr_dst)
void	MacSetAdd (MacSet *ms, const uint8_t *src_addr, const uint8_t *dst_addr)
int	MacSetForEach (const MacSet *ms, MacSetIteratorFunc IterFunc, void *data)
uint8_t *	MacSetGetFirst (const MacSet *ms, MacSetSide side)
int	MacSetSize (const MacSet *ms)
void	MacSetFree (MacSet *ms)
void	MacSetRegisterTests (void)

Variables
FlowStorageId	g_macset_storage_id = { .id = -1 }

Detailed Description

Author

Sascha Steinbiss sasch.nosp@m.a.st.nosp@m.einbi.nosp@m.ss@d.nosp@m.cso.d.nosp@m.e

Set-like data store for MAC addresses. Implemented as array for memory locality reasons as the expected number of items is typically low.

Definition in file util-macset.c.

Typedef Documentation

MacAddr

typedef uint8_t MacAddr[6]

Definition at line 38 of file util-macset.c.

Enumeration Type Documentation

MacSetState

enum MacSetState

Enumerator
EMPTY_SET
SINGLE_MAC
MULTI_MAC

Definition at line 39 of file util-macset.c.

Function Documentation

MacSetAdd()

void MacSetAdd	(	MacSet *	ms,
		const uint8_t *	src_addr,
		const uint8_t *	dst_addr
	)

Definition at line 191 of file util-macset.c.

References MacSetAddWithCtr().

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MacSetAddWithCtr()

void MacSetAddWithCtr	(	MacSet *	ms,
		const uint8_t *	src_addr,
		const uint8_t *	dst_addr,
		ThreadVars *	tv,
		uint16_t	ctr_src,
		uint16_t	ctr_dst
	)

Definition at line 182 of file util-macset.c.

References MAC_SET_DST, MAC_SET_SRC, and tv.

Referenced by MacSetAdd().

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MacSetFlowStorageEnabled()

bool MacSetFlowStorageEnabled

(

void

)

Definition at line 86 of file util-macset.c.

References g_macset_storage_id, and FlowStorageId::id.

Referenced by FlowInit().

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MacSetForEach()

int MacSetForEach	(	const MacSet *	ms,
		MacSetIteratorFunc	IterFunc,
		void *	data
	)

Definition at line 221 of file util-macset.c.

References MAC_SET_DST, and MAC_SET_SRC.

MacSetFree()

void MacSetFree

(

MacSet *

ms

)

Definition at line 278 of file util-macset.c.

References MacSet_::buf, MAC_SET_DST, MAC_SET_SRC, SC_ATOMIC_SUB, SCFree, and MacSet_::size.

Referenced by MacSetRegisterFlowStorage().

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MacSetGetFirst()

uint8_t * MacSetGetFirst	(	const MacSet *	ms,
		MacSetSide	side
	)

Definition at line 234 of file util-macset.c.

References MacSet_::buf, EMPTY_SET, MULTI_MAC, SINGLE_MAC, MacSet_::singles, and MacSet_::state.

MacSetGetFlowStorageID()

FlowStorageId MacSetGetFlowStorageID

(

void

)

Definition at line 115 of file util-macset.c.

References g_macset_storage_id.

Referenced by FlowInit().

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MacSetInit()

MacSet * MacSetInit

(

int

size

)

Definition at line 92 of file util-macset.c.

References EMPTY_SET, FLOW_CHECK_MEMCAP, MacSet_::last, MAC_SET_DST, MAC_SET_SRC, SC_ATOMIC_ADD, SCCalloc, SCLogError, MacSet_::size, MacSet_::state, and unlikely.

Referenced by FlowInit().

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MacSetRegisterFlowStorage()

void MacSetRegisterFlowStorage

(

void

)

Definition at line 62 of file util-macset.c.

References FlowStorageRegister(), g_macset_storage_id, MacSetFree(), next, SCConfGetNode(), SCConfNodeLookupChildValue(), SCConfValIsTrue(), TAILQ_FOREACH, and SCConfNode_::val.

Referenced by PostConfLoadedSetup().

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MacSetRegisterTests()

void MacSetRegisterTests

(

void

)

Definition at line 468 of file util-macset.c.

References UtRegisterTest().

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MacSetSize()

int MacSetSize

(

const MacSet *

ms

)

Definition at line 247 of file util-macset.c.

References EMPTY_SET, MacSet_::last, MAC_SET_DST, MAC_SET_SRC, MULTI_MAC, SINGLE_MAC, and MacSet_::state.

Variable Documentation

g_macset_storage_id

FlowStorageId g_macset_storage_id = { .id = -1 }

Definition at line 60 of file util-macset.c.

Referenced by MacSetFlowStorageEnabled(), MacSetGetFlowStorageID(), and MacSetRegisterFlowStorage().