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Intel
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IXP400 Software
Programmer’s Guide IXP400 Software Version 2.0 April 2005
Document Number: 252539, Revision: 007 189
Access-Layer Components:
HSS-Access (IxHssAcc) API 13
This chapter describes the Intel
®
IXP400 Software v2.0’s “HSS-Access API” access-layer
component.
13.1 What’s New
There are no changes or enhancements to this component in software release 2.0.
13.2 Overview
The IxHssAcc component provides client applications with driver-level access to the High-Speed
Serial (HSS) and High-Level Data Link Control (HDLC) coprocessors available on NPE A. This
API and its supporting NPE-based hardware acceleration enable the Intel
®
IXP400 Softwareto
support packetized or channelized TDM data communications.
This chapter provides the details of how to use IxHssAcc to:
• Initialize and configure the HSS and HDLC coprocessors.
• Allocate buffers for transmitting and receiving data.
• Connect and enable packetized service and/or channelized service.
• Handle the transmitting and receiving process.
• Disconnect and disable the services.