pcct.h File Reference

#include "cs-struct.h"
#include "pcc-entry.h"
#include "pit-struct.h"

Go to the source code of this file.

Data Structures
struct	Pcct
	The PIT-CS Composite Table (PCCT). More...
struct	PcctEraseBatch
	Context for erasing several PCC entries. More...

Macros
#define	PCCT_ERASE_BURST   32

Typedefs
typedef struct Pcct	Pcct
	The PIT-CS Composite Table (PCCT). More...
typedef struct PcctEraseBatch	PcctEraseBatch
	Context for erasing several PCC entries. More...

Functions
bool	Pcct_Init (Pcct *pcct, const char *id, uint32_t maxEntries, int numaSocket)
	Initialize keyHt and tokenHt. More...
void	Pcct_Clear (Pcct *pcct)
	Clear keyHt and tokenHt, and free cached Data. More...
PccEntry *	Pcct_Insert (Pcct *pcct, const PccSearch *search, bool *isNew)
	Insert or find an entry. More...
void	Pcct_Erase (Pcct *pcct, PccEntry *entry)
	Erase an entry. More...
uint64_t	Pcct_AddToken (Pcct *pcct, PccEntry *entry)
	Assign a token to an entry. More...
void	Pcct_RemoveToken (Pcct *pcct, PccEntry *entry)
	Clear the token on an entry. More...
PccEntry *	Pcct_FindByToken (const Pcct *pcct, uint64_t token)
	Find an entry by token. More...
void	PcctEraseBatch_EraseBurst_ (PcctEraseBatch *peb)

Macro Definition Documentation

PCCT_ERASE_BURST

#define PCCT_ERASE_BURST   32

Typedef Documentation

Pcct

typedef struct Pcct Pcct

The PIT-CS Composite Table (PCCT).

PcctEraseBatch

typedef struct PcctEraseBatch PcctEraseBatch

Context for erasing several PCC entries.

Function Documentation

Pcct_AddToken()

uint64_t Pcct_AddToken	(	Pcct *	pcct,
		PccEntry *	entry
	)

Assign a token to an entry.

Returns

New or existing token.

Pcct_Clear()

void Pcct_Clear

(

Pcct *

pcct

)

Clear keyHt and tokenHt, and free cached Data.

Postcondition

Pcct mempool can be deallocated.

Pcct_Erase()

void Pcct_Erase	(	Pcct *	pcct,
		PccEntry *	entry
	)

Erase an entry.

See also

PcctEraseBatch

Pcct_FindByToken()

PccEntry* Pcct_FindByToken	(	const Pcct *	pcct,
		uint64_t	token
	)

Find an entry by token.

Parameters

token

the token, only lower 48 bits are significant.

Pcct_Init()

bool Pcct_Init	(	Pcct *	pcct,
		const char *	id,
		uint32_t	maxEntries,
		int	numaSocket
	)

Initialize keyHt and tokenHt.

Parameters

id	memzone identifier, must be unique.
maxEntries	PCCT capacity; hashtable capacity will be calculated accordingly.

Returns

whether success. Error code is in rte_errno .

Pcct_Insert()

PccEntry* Pcct_Insert	(	Pcct *	pcct,
		const PccSearch *	search,
		bool *	isNew
	)

Insert or find an entry.

Parameters

[out]

isNew

whether the entry is new

Return values

NULL	allocation error.

Pcct_RemoveToken()

void Pcct_RemoveToken	(	Pcct *	pcct,
		PccEntry *	entry
	)

Clear the token on an entry.

PcctEraseBatch_EraseBurst_()

void PcctEraseBatch_EraseBurst_

(

PcctEraseBatch *

peb

)