EMAC_PKT_DESC_T Struct Reference

EMAC packet descriptor data structure. More...

#include <emac_drv.h>


Data Fields

Uint32 AppPrivate
EMAC_PKT_DESC_T * pPrev
EMAC_PKT_DESC_T * pNext
Uint8 * pDataBuffer
Uint32 BufferLen
EMAC_PKT_FLAG_T Flags
Uint32 ValidLen
Uint32 DataOffset
Uint32 PktChannel
Uint32 PktLength
Uint32 PktFrags

Detailed Description

EMAC packet descriptor data structure.

Field Documentation

Uint32 EMAC_PKT_DESC_T::AppPrivate

For use by the application

struct EMAC_PKT_DESC_T* EMAC_PKT_DESC_T::pPrev

Previous descriptor pointer

struct EMAC_PKT_DESC_T* EMAC_PKT_DESC_T::pNext

Next descriptor pointer

Uint8* EMAC_PKT_DESC_T::pDataBuffer

Pointer to Data Buffer (read only)

Uint32 EMAC_PKT_DESC_T::BufferLen

Physical Length of buffer (read only)

EMAC_PKT_FLAG_T EMAC_PKT_DESC_T::Flags

Packet Flags, SOP, EOP

Uint32 EMAC_PKT_DESC_T::ValidLen

Length of valid data in buffer

Uint32 EMAC_PKT_DESC_T::DataOffset

Byte offset to valid data

Uint32 EMAC_PKT_DESC_T::PktChannel

Tx/Rx Channel 0-7 (SOP only)

Uint32 EMAC_PKT_DESC_T::PktLength

Length of Packet (SOP only) (same as ValidLen on single frag Pkt)

Uint32 EMAC_PKT_DESC_T::PktFrags

No of frags in packet (SOP only), normally 1

The documentation for this struct was generated from the following file:
Copyright 2012, Texas Instruments Incorporated