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Understanding Linux Network Internals.chm 英文版
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详细说明： Copyright Preface The Audience for This Book Background Information Organization of the Material Conventions Used in This Book Using Code Examples We'd Like to Hear from You Safari Enabled Acknowledgments Part I: General Background Chapter 1. Introduction Section 1.1. Basic Terminology Section 1.2. Common Coding Patterns Section 1.3. User-Space Tools Section 1.4. Browsing the Source Code Section 1.5. When a Feature Is Offered as a Patch Chapter 2. Critical Data Structures Section 2.1. The Socket Buffer: sk_buff Structure Section 2.2. net_device Structure Section 2.3. Files Mentioned in This Chapter Chapter 3. User-Space-to-Kernel Interface Section 3.1. Overview Section 3.2. procfs Versus sysctl Section 3.3. ioctl Section 3.4. Netlink Section 3.5. Serializing Configuration Changes Part II: System Initialization Chapter 4. Notification Chains Section 4.1. Reasons for Notification Chains Section 4.2. Overview Section 4.3. Defining a Chain Section 4.4. Registering with a Chain Section 4.5. Notifying Events on a Chain Section 4.6. Notification Chains for the Networking Subsystems Section 4.7. Tuning via /proc Filesystem Section 4.8. Functions and Variables Featured in This Chapter Section 4.9. Files and Directories Featured in This Chapter Chapter 5. Network Device Initialization Section 5.1. System Initialization Overview Section 5.2. Device Registration and Initialization Section 5.3. Basic Goals of NIC Initialization Section 5.4. Interaction Between Devices and Kernel Section 5.5. Initialization Options Section 5.6. Module Options Section 5.7. Initializing the Device Handling Layer: net_dev_init Section 5.8. User-Space Helpers Section 5.9. Virtual Devices Section 5.10. Tuning via /proc Filesystem Section 5.11. Functions and Variables Featured in This Chapter Section 5.12. Files and Directories Featured in This Chapter Chapter 6. The PCI Layer and Network Interface Cards Section 6.1. Data Structures Featured in This Chapter Section 6.2. Registering a PCI NIC Device Driver Section 6.3. Power Management and Wake-on-LAN Section 6.4. Example of PCI NIC Driver Registration Section 6.5. The Big Picture Section 6.6. Tuning via /proc Filesystem Section 6.7. Functions and Variables Featured in This Chapter Section 6.8. Files and Directories Featured in This Chapter Chapter 7. Kernel Infrastructure for Component Initialization Section 7.1. Boot-Time Kernel Options Section 7.2. Module Initialization Code Section 7.3. Optimized Macro-Based Tagging Section 7.4. Boot-Time Initialization Routines Section 7.5. Memory Optimizations Section 7.6. Tuning via /proc Filesystem Section 7.7. Functions and Variables Featured in This Chapter Section 7.8. Files and Directories Featured in This Chapter Chapter 8. Device Registration and Initialization Section 8.1. When a Device Is Registered Section 8.2. When a Device Is Unregistered Section 8.3. Allocating net_device Structures Section 8.4. Skeleton of NIC Registration and Unregistration Section 8.5. Device Initialization Section 8.6. Organization of net_device Structures Section 8.7. Device State Section 8.8. Registering and Unregistering Devices Section 8.9. Device Registration Section 8.10. Device Unregistration Section 8.11. Enabling and Disabling a Network Device Section 8.12. Updating the Device Queuing Discipline State Section 8.13. Configuring Device-Related Information from User Space Section 8.14. Virtual Devices Section 8.15. Locking Section 8.16. Tuning via /proc Filesystem Section 8.17. Functions and Variables Featured in This Chapter Section 8.18. Files and Directories Featured in This Chapter Part III: Transmission and Reception Chapter 9. Interrupts and Network Drivers Section 9.1. Decisions and Traffic Direction Section 9.2. Notifying Drivers When Frames Are Received Section 9.3. Interrupt Handlers Section 9.4. softnet_data Structure Chapter 10. Frame Reception Section 10.1. Interactions with Other Features Section 10.2. Enabling and Disabling a Device Section 10.3. Queues Section 10.4. Notifying the Kernel of Frame Reception: NAPI and netif_rx Section 10.5. Old Interface Between Device Drivers and Kernel: First Part of netif_rx Section 10.6. Congestion Management Section 10.7. Processing the NET_RX_SOFTIRQ: net_rx_action Chapter 11. Frame Transmission Section 11.1. Enabling and Disabling Transmissions Chapter 12. General and Reference Material About Interrupts Section 12.1. Statistics Section 12.2. Tuning via /proc and sysfs Filesystems Section 12.3. Functions and Variables Featured in This Part of the Book Section 12.4. Files and Directories Featured in This Part of the Book Chapter 13. Protocol Handlers Section 13.1. Overview of Network Stack Section 13.2. Executing the Right Protocol Handler Section 13.3. Protocol Handler Organization Section 13.4. Protocol Handler Registration Section 13.5. Ethernet Versus IEEE 802.3 Frames Section 13.6. Tuning via /proc Filesystem Section 13.7. Functions and Variables Featured in This Chapter Section 13.8. Files and Directories Featured in This Chapter Part IV: Bridging Chapter 14. Bridging: Concepts Section 14.1. Repeaters, Bridges, and Routers Section 14.2. Bridges Versus Switches Section 14.3. Hosts Section 14.4. Merging LANs with Bridges Section 14.5. Bridging Different LAN Technologies Section 14.6. Address Learning Section 14.7. Multiple Bridges Chapter 15. Bridging: The Spanning Tree Protocol Section 15.1. Basic Terminology Section 15.2. Example of Hierarchical Switched L2 Topology Section 15.3. Basic Elements of the Spanning Tree Protocol Section 15.4. Bridge and Port IDs Section 15.5. Bridge Protocol Data Units (BPDUs) Section 15.6. Defining the Active Topology Section 15.7. Timers Section 15.8. Topology Changes Section 15.9. BPDU Encapsulation Section 15.10. Transmitting Configuration BPDUs Section 15.11. Processing Ingress Frames Section 15.12. Convergence Time Section 15.13. Overview of Newer Spanning Tree Protocols Chapter 16. Bridging: Linux Implementation Section 16.1. Bridge Device Abstraction Section 16.2. Important Data Structures Section 16.3. Initialization of Bridging Code Section 16.4. Creating Bridge Devices and Bridge Ports Section 16.5. Creating a New Bridge Device Section 16.6. Bridge Device Setup Routine Section 16.7. Deleting a Bridge Section 16.8. Adding Ports to a Bridge Section 16.9. Enabling and Disabling a Bridge Device Section 16.10. Enabling and Disabling a Bridge Port Section 16.11. Changing State on a Bridge Port Section 16.12. The Big Picture Section 16.13. Forwarding Database Section 16.14. Handling Ingress Traffic Section 16.15. Transmitting on a Bridge Device Section 16.16. Spanning Tree Protocol (STP) Section 16.17. netdevice Notification Chain Chapter 17. Bridging: Miscellaneous Topics Section 17.1. User-Space Configuration Tools Section 17.2. Tuning via /proc Filesystem Section 17.3. Tuning via /sys Filesystem Section 17.4. Statistics Section 17.5. Data Structures Featured in This Part of the Book Section 17.6. Functions and Variables Featured in This Part of the Book Section 17.7. Files and Directories Featured in This Part of the Book Part V: Internet Protocol Version 4 (IPv4) Chapter 18. Internet Protocol Version 4 (IPv4): Concepts Section 18.1. IP Protocol: The Big Picture Section 18.2. IP Header Section 18.3. IP Options Section 18.4. Packet Fragmentation/Defragmentation Section 18.5. Checksums Chapter 19. Internet Protocol Version 4 (IPv4): Linux Foundations and Features Section 19.1. Main IPv4 Data Structures Section 19.2. General Packet Handling Section 19.3. IP Options Chapter 20. Internet Protocol Version 4 (IPv4): Forwarding and Local Delivery Section 20.1. Forwarding Section 20.2. Local Delivery Chapter 21. Internet Protocol Version 4 (IPv4): Transmission Section 21.1. Key Functions That Perform Transmission Section 21.2. Interface to the Neighboring Subsystem Chapter 22. Internet Protocol Version 4 (IPv4): Handling Fragmentation Section 22.1. IP Fragmentation Section 22.2. IP Defragmentation Chapter 23. Internet Protocol Version 4 (IPv4): Miscellaneous Topics Section 23.1. Long-Living IP Peer Information Section 23.2. Selecting the IP Header's ID Field Section 23.3. IP Statistics Section 23.4. IP Configuration Section 23.5. IP-over-IP Section 23.6. IPv4: What's Wrong with It? Section 23.7. Tuning via /proc Filesystem Section 23.8. Data Structures Featured in This Part of the Book Section 23.9. Functions and Variables Featured in This Part of the Book Section 23.10. Files and Directories Featured in This Part of the Book Chapter 24. Layer Four Protocol and Raw IP Handling Section 24.1. Available L4 Protocols Section 24.2. L4 Protocol Registration Section 24.3. L3 to L4 Delivery: ip_local_deliver_finish Section 24.4. IPv4 Versus IPv6 Section 24.5. Tuning via /proc Filesystem Section 24.6. Functions and Variables Featured in This Chapter Section 24.7. Files and Directories Featured in This Chapter Chapter 25. Internet Control Message Protocol (ICMPv4) Section 25.1. ICMP Header Section 25.2. ICMP Payload Section 25.3. ICMP Types Section 25.4. Applications of the ICMP Protocol Section 25.5. The Big Picture Section 25.6. Protocol Initialization Section 25.7. Data Structures Featured in This Chapter Section 25.8. Transmitting ICMP Messages Section 25.9. ICMP Statistics Section 25.10. Passing Error Notifications to the Transport Layer Section 25.11. Tuning via /proc Filesystem Section 25.12. Functions and Variables Featured in This Chapter Section 25.13. Files and Directories Featured in This Chapter Part VI: Neighboring Subsystem Chapter 26. Neighboring Subsystem: Concepts Section 26.1. What Is a Neighbor? Section 26.2. Reasons That Neighboring Protocols Are Needed Section 26.3. Linux Implementation Section 26.4. Proxying the Neighboring Protocol Section 26.5. When Solicitation Requests Are Transmitted and Processed Section 26.6. Neighbor States and Network Unreachability Detection (NUD) Chapter 27. Neighboring Subsystem: Infrastructure Section 27.1. Main Data Structures Section 27.2. Common Interface Between L3 Protocols and Neighboring Protocols Section 27.3. General Tasks of the Neighboring Infrastructure Section 27.4. Reference Counts on neighbour Structures Section 27.5. Creating a neighbour Entry Section 27.6. Neighbor Deletion Section 27.7. Acting As a Proxy Section 27.8. L2 Header Caching Section 27.9. Protocol Initialization and Cleanup Section 27.10. Interaction with Other Subsystems Section 27.11. Interaction Between Neighboring Protocols and L3 Transmission Functions Section 27.12. Queuing Chapter 28. Neighboring Subsystem: Address Resolution Protocol (ARP) Section 28.1. ARP Packet Format Section 28.2. Example of an ARP Transaction Section 28.3. Gratuitous ARP Section 28.4. Responding from Multiple Interfaces Section 28.5. Tunable ARP Options Section 28.6. ARP Protocol Initialization Section 28.7. Initialization of a neighbour Structure Section 28.8. Transmitting and Receiving ARP Packets Section 28.9. Processing Ingress ARP Packets Section 28.10. Proxy ARP Section 28.11. Examples Section 28.12. External Events Section 28.13. ARPD Section 28.14. Reverse Address Resolution Protocol (RARP) Section 28.15. Improvements in ND (IPv6) over ARP (IPv4) Chapter 29. Neighboring Subsystem: Miscellaneous Topics Section 29.1. System Administration of Neighbors Section 29.2. Tuning via /proc Filesystem Section 29.3. Data Structures Featured in This Part of the Book Section 29.4. Files and Directories Featured in This Part of the Book Part VII: Routing Chapter 30. Routing: Concepts Section 30.1. Routers, Routes, and Routing Tables Section 30.2. Essential Elements of Routing Section 30.3. Routing Table Section 30.4. Lookups Section 30.5. Packet Reception Versus Packet Transmission Chapter 31. Routing: Advanced Section 31.1. Concepts Behind Policy Routing Section 31.2. Concepts Behind Multipath Routing Section 31.3. Interactions with Other Kernel Subsystems Section 31.4. Routing Protocol Daemons Section 31.5. Verbose Monitoring Section 31.6. ICMP_REDIRECT Messages Section 31.7. Reverse Path Filtering Chapter 32. Routing: Li nux Implementation Section 32.1. Kernel Options Section 32.2. Main Data Structures Section 32.3. Route and Address Scopes Section 32.4. Primary and Secondary IP Addresses Section 32.5. Generic Helper Routines and Macros Section 32.6. Global Locks Section 32.7. Routing Subsystem Initialization Section 32.8. External Events Section 32.9. Interactions with Other Subsystems Chapter 33. Routing: The Routing Cache Section 33.1. Routing Cache Initialization Section 33.2. Hash Table Organization Section 33.3. Major Cache Operations Section 33.4. Multipath Caching Section 33.5. Interface Between the DST and Calling Protocols Section 33.6. Flushing the Routing Cache Section 33.7. Garbage Collection Section 33.8. Egress ICMP REDIRECT Rate Limiting Chapter 34. Routing: Routing Tables Section 34.1. Organization of Routing Hash Tables Section 34.2. Routing Table Initialization Section 34.3. Adding and Removing Routes Section 34.4. Policy Routing and Its Effects on Routing Table Definitions Chapter 35. Routing: Lookups Section 35.1. High-Level View of Lookup Functions Section 35.2. Helper Routines Section 35.3. The Table Lookup: fn_hash_lookup Section 35.4. fib_lookup Function Section 35.5. Setting Functions for Reception and Transmission Section 35.6. General Structure of the Input and Output Routing Routines Section 35.7. Input Routing Section 35.8. Output Routing Section 35.9. Effects of Multipath on Next Hop Selection Section 35.10. Policy Routing Section 35.11. Source Routing Section 35.12. Policy Routing and Routing Table Based Classifier Chapter 36. Routing: Miscellaneous Topics Section 36.1. User-Space Configuration Tools Section 36.2. Statistics Section 36.3. Tuning via /proc Filesystem Section 36.4. Enabling and Disabling Forwarding Section 36.5. Data Structures Featured in This Part of the Book Section 36.6. Functions and Variables Featured in This Part of the Book Section 36.7. Files and Directories Featured in This Part of the Book About the Authors ...展开收缩
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