Intel® IXP400 Software
Access-Layer Components: Ethernet Access (IxEthAcc) API
Programmer’s Guide IXP400 Software Version 2.0 April 2005
Document Number: 252539, Revision: 007 133
9.5 Data Plane
The data plane is responsible for the transmission and reception of Ethernet frames.
Figure 48. Ethernet Access Layers Block Diagram
MAC Filteri ng/VLAN/Firewall, etc... Database Management(IxEthDb)

Intel XScale

®

Core

Media Assist

AHB
Queue
Manager
IxQMgr

Physical

IxEthAcc Component
Statistics
Buffer Management
Data Path
Tx/Rx
IxNpeMh
IxOSAL
Ethernet
PHY
NPEs
10/100Bt
MAC
NPE Core Message
Bus
Control
Registers
`PHY Manageme nt(IxEthMii)System ConfigData Path
B2362-04