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LLA Programming and Migration Guide: HP 9000 Networking

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HP Part Number: 98194-90053

Edition: Edition 3

Published: Printed in U.S.A.

Table of Contents

Printing History

1 LLA to DLPI Migration

LLA and DLPI Example Programs

2 LLA Concepts

LLA and the OSI Model

OSI Layer 2

IEEE 802.3 and Ethernet

Ethernet Frame Structure

Ethernet Destination Address

IEEE 802.3 Frame Structure

IEEE 802.3 Address Field Structures

Ethernet and IEEE 802.3 Packet Comparison

Implementing Two Protocols

Device Files

HP-UX Calls

open(2) and close(2) Calls
read(2) and write(2) Calls
select(2) Call
ioctl(2) Call
Other System Calls

NETCTRL and NETSTAT Commands

LLA Header File

ioctl(2) Syntax

Address Conversion Routines

LLA Error Codes

3 Using LLA

Step 1: Open a Network Device File

Step 2: Log a User-Level Address

For Ethernet Device
For IEEE 802.3 Device

Step 3: Log a Destination Address

LOG_DEST_ADDR Command
Address Conversion

Step 4: Read or Write Data

Reading Data
Writing Data
Synchronizing I/O Operations
Setting Up Asynchronous Signals

Step 5: Close the Network Device File

4 Network I/O Control Commands

Collecting and Resetting Interface Statistics

FRAME_HEADER Command
LOCAL_ADDRESS Command
DEVICE_STATUS Command
MULTICAST_ ADDRESSES Command
MULTICAST_ADDR_LIST Command
RESET_STATISTICS Command
READ_STATISTICS Command

Managing Network Addresses

LOG_CONTROL Command

Resetting an Interface

RESET_INTERFACE Command

Managing Broadcast Packets

ENABLE_ BROADCAST Command
DISABLE_ BROADCAST Command

Managing Multicast Packets

ADD_MULTICAST Command
DELETE_MULTICAST Command

List of Tables

1-1 LLA ioctls and Corresponding DLPI Primitives

Printable version


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