Cppi_HostDesc Struct Reference
[CPPI Low Level Driver Data Structures]

CPPI host descriptor layout. More...

#include <cppi_desc.h>

Data Fields

uint32_t descInfo
uint32_t tagInfo
uint32_t packetInfo
uint32_t buffLen
uint32_t buffPtr
uint32_t nextBDPtr
uint32_t origBufferLen
uint32_t origBuffPtr
uint32_t timeStamp
uint32_t softwareInfo0
uint32_t softwareInfo1
uint32_t softwareInfo2
uint32_t psData

Detailed Description

CPPI host descriptor layout.


Field Documentation

Number of valid data bytes in the buffer

Byte aligned memory address of the buffer associated with this descriptor

Descriptor type, packet type, protocol specific region location, packet length

32-bit word aligned memory address of the next buffer descriptor

Completion tag, original buffer size

Original buffer pointer

EPIB present, PS valid word count, error flags, PS flags, return policy, return push policy, packet return QM number, packet return queue number

Optional protocol specific data

Optional EPIB word1

Optional EPIB word2

Optional EPIB word3

Source tag, Destination tag

Optional EPIB word0


The documentation for this struct was generated from the following file:

Copyright 2012, Texas Instruments Incorporated