Introduction

This file contains the type definitions and helper macros for the Enet CPDMA data path (DMA) interface.

Data Structures
struct	EnetCpdma_PktTsInfo
	CPPI buffer timestamp info. More...

struct	EnetCpdma_SGListEntry
	Transmit Packet scatter gather list entry. More...

struct	EnetCpdma_SGList
	Transmit packet scatter list info. More...

struct	EnetCpdma_PktInfo
	Packet data structure. More...

struct	EnetCpdma_OpenTxChPrms
	Param struct for the TX channel open function. More...

struct	EnetCpdma_OpenRxChPrms
	Param struct for the RX channel open function. More...

struct	EnetCpdma_RxChInitPrms
	Global Param struct for the Rx channel open. More...

struct	EnetCpdma_Cfg
	Config structure for Enet CPDMA. More...

struct	EnetDma_initCfg
	Config structure for Enet CPDMA Data Path initialization. More...

Macros
#define	ENET_CPDMA_CPSW_MAX_SG_LIST (4U)

#define	ENET_CPDMA_CSUM_START_BYTE_SHIFT (16U)

#define	ENET_CPDMA_CSUM_START_BYTE_MASK (((uint32_t) 0xFFU) << ENET_CPDMA_CSUM_START_BYTE_SHIFT)

#define	ENET_CPDMA_CSUM_RESULT_BYTE_SHIFT (24U)

#define	ENET_CPDMA_CSUM_RESULT_BYTE_MASK (((uint32_t) 0xFFU) << ENET_CPDMA_CSUM_RESULT_BYTE_SHIFT)

#define	ENET_CPDMA_CSUM_BYTE_COUNT_SHIFT (0U)

#define	ENET_CPDMA_CSUM_BYTE_COUNT_MASK (((uint32_t) 0x3FFU) << ENET_CPDMA_CSUM_BYTE_COUNT_SHIFT)

#define	ENET_CPDMA_GET_CSUM_RESULT_BYTE(chkSumInfo) ENET_FEXT(chkSumInfo, ENET_CPDMA_CSUM_RESULT_BYTE)

#define	ENET_CPDMA_GET_CSUM_START_BYTE(chkSumInfo) ENET_FEXT(chkSumInfo, ENET_CPDMA_CSUM_START_BYTE)

#define	ENET_CPDMA_GET_CSUM_BYTE_COUNT(chkSumInfo) ENET_FEXT(chkSumInfo, ENET_CPDMA_CSUM_BYTE_COUNT)

Enet CPDMA instance configuration
Configuration macros for Enet CPDMA module.
#define	ENET_CPDMA_CPSW_MAX_TX_CH (8U)
	Maximum number of CPSW TX DMA channels. More...

#define	ENET_CPDMA_CPSW_MAX_RX_CH (8U)
	Maximum number of CPSW RX DMA channels. More...

Typedefs
typedef EnetCpdma_SGListEntry	EnetDma_SGListEntry

typedef EnetCpdma_OpenRxChPrms	EnetDma_OpenRxChPrms
	Param struct for the RX channel open function. We include this typedef as top level DMA APIs use EnetDma_OpenRxChPrms struct. More...

Enet DMA driver opaque handles
Enet DMA configuration structure. Opaque handle typedefs for Enet DMA driver objects.
typedef struct EnetCpdma_Cfg_s	EnetDma_Cfg
	Opaque handle that holds config Info for Enet DMA channel. More...

typedef void(*	EnetDma_PktNotifyCb) (void *cbArg)
	Function pointer type for packet notify call back. More...

Functions
EnetDma_Handle	EnetCpdma_open (Enet_Type enetType, uint32_t instId, const void *dmaCfg, uint32_t appCoreId)
	Set default data path parameters. More...

EnetDma_Handle	EnetCpdma_restoreCtxt (Enet_Type enetType, uint32_t instId, uint32_t appCoreId)
	Open DMA with default data path parameters. More...

int32_t	EnetCpdma_close (EnetDma_Handle hEnetDma)
	Close Enet DMA (data path). More...

int32_t	EnetCpdma_saveCtxt (EnetDma_Handle hEnetDma)
	Saves and closes Enet DMA (data path). More...

int32_t	EnetCpdma_rxThreshIsr (EnetDma_Handle hEnetDma)
	ENET CPDMA Rx Threshold interrupt service routine. More...

int32_t	EnetCpdma_rxIsr (EnetDma_Handle hEnetDma)
	ENET CPDMA Rx interrupt service routine. More...

int32_t	EnetCpdma_txIsr (EnetDma_Handle hEnetDma)
	ENET CPDMA Tx interrupt service routine. More...

int32_t	EnetCpdma_miscIsrGetStatus (EnetDma_Handle hEnetDma, uint32_t *pStatusMask)
	ENET CPDMA Miscellaneous interrupt service routine. More...

int32_t	EnetCpdma_ackMiscIsr (EnetDma_Handle hEnetDma)

void	EnetCpdma_initParams (Enet_Type enetType, EnetDma_Cfg *pDmaConfig)
	Initialize CPDMA config params. More...

Data Structures