Preface
Part I�� General Background
1�� Introduction
Basic Terminology
Common Coding Patterns
User-Space Tools
Browsing the Source Code
When a Feature Is Offered as a Patch
2�� Critical Data Structures
The Socket Buffer�� sk_buff Structure
net_device Structure
Files Mentioned in This Chapter
3�� User-Space-to-Kernel Interface
Overview
procfs Versus sysctl
ioctl
Netlink
Serializing Configuration Changes

Part II�� System Initialization
4�� Notification Chains
Reasons for Notification Chains
Overview
Defining a Chain
Registering with a Chain
Notifying Events on a Chain
Notification Chains for the Networking Subsystems
Tuning via/proc Filesystem
Functions and Variables Featured in This Chapter
Files and Directories Featured in This Chapter
5�� Network Device Initialization
System Initialization Overview
Device Registration and Initialization
Basic Goals of NIC Initialization
Interaction Between Devices and Kernel
Initialization Options
Module Options
Initializing the Device Handling Layer�� net_dev_init
User-Space Helpers
Virtual Devices
Tuning via/proc Filesystem
Functions and Variables Featured in This Chapter
Files and Directories Featured in This Chapter
6�� The PCI Layer and Network Interface Cards
Data Structures Featured in This Chapter
Registering a PCI NIC Device Driver
Power Management and Wake-on-LAN
Example of PCI NIC Driver Registration
The Big Picture
Tuning via/proc Filesystem
Functions and Variables Featured in This Chapter
Files and Directories Featured in This Chapter

Part III Transmission and reception
Part IV Bridging
Part V Internet Protocol Version 4 ��IPv4��
Part VI Neighboring Subsystem
Part VII Routing