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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 Filtering/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 Management
(IxEthMii)
System Config
Data Path
B2362-04