Intel® IXP400 Software

Access-Layer Components: Ethernet Access (IxEthAcc) API

Figure 48. Ethernet Access Layers Block Diagram

 

 

 

 

IxEthAcc Component

 

 

 

etc...

Database Management

 

 

IxQMgr

PHY Management

 

Filtering/VLAN/Firewall,

Statistics

 

 

(IxEthMii)

(IxEthDb)

 

Buffer Management

 

IxNpeMh

Data Path

 

 

MAC

 

 

 

 

 

 

Tx/Rx

 

 

 

 

 

 

 

 

 

 

 

 

 

IxOSAL

 

 

 

 

 

 

Intel XScale®

 

 

 

 

 

 

Core

 

 

 

 

Control

NPE Core

Message

 

 

 

 

Registers

Bus

 

 

 

 

 

 

 

 

 

 

10/100Bt

AHB

 

 

 

 

 

Queue

 

 

 

 

 

MAC

 

 

 

 

 

Manager

 

 

 

 

 

 

 

 

 

 

 

 

NPEs

 

 

 

 

 

`

Media Assist

 

 

 

 

 

 

 

 

 

 

 

Ethernet

Physical

 

 

 

 

 

PHY

 

 

 

 

 

Data Path

 

 

 

 

 

 

System Config

 

B2362-04

 

 

 

 

 

 

9.5Data Plane

The data plane is responsible for the transmission and reception of Ethernet frames.

Programmer’s Guide

IXP400 Software Version 2.0

April 2005

 

Document Number: 252539, Revision: 007

133

Page 133
Image 133
Intel IXP400 manual Data Plane, Ethernet Access Layers Block Diagram