Preface
About this book
This guide is provided with the ARM Portable TCP/IP stack sources.
It is assumed that the ARM TCP/IP sources are available as a reference. It is also assumed that the reader has access to a C language programmer’s guide and the ARM Architectural Reference Manual.
Intended audience
This Programmer’s Guide is written for a moderately-experienced C programmer, with a general understanding of TCP/IP, who wants to port the stack to a new environment.
Using this book
This guide is organized into the following chapters:
Chapter 1 Introduction
Read this chapter to learn about porting in general and the system requirements for using the TCP/IP and PPP protocol stack sources.
Chapter 2 TCP/IP Porting
Read this chapter for step-by-step instructions on porting and testing.
Chapter 3 PPP Porting
Read this chapter for a description of PPP, and how to use the ARM PPP code to allow the ARM TCP/IP code to transfer data over serial lines.
Chapter 4 TCP/IP API Functions
Read this chapter for a desciption of the user-provided functions required for porting the ARM TCP/IP stack.
Chapter 5 PPP API Functions
Read this chapter for a description of the user-provided functions and other entry points required for porting the ARM PPP stack.
Chapter 6 Modem Functions
Read this chapter to learn how to interface a Hayes-compatible modem to the PPP stack.
Chapter 7 DHCP Client Functions
Read this chapter for a description of the DHCP function calls used to request information for an interface.
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Preface
Chapter 8 Low-overhead UDP Functions
Read this chapter for a description of the low-overhead UDP functions.
Chapter 9 Sockets
Read this chapter for an introduction to sockets, and for a description of the sockets API.
Chapter 10 ARM-specific Functions
Read this chapter for details on the example sources provided as part of the TCP/IP stack. This chapter also details functions, specific to the ARM environment, that these files contain.
Chapter 11 Miscellaneous Library Functions
Read this chapter for a description of the assortment of functions to be found in the \misclib directory. These functions perform a variety of tasks that are used by the example programs and by the TCP/IP stack.
Chapter 12 Example Applications
Read this chapter for a description of the demonstration projects that are shipped with the TCP/IP software.
Appendix A Error Codes
Read this appendix to see a list of both the standard ENP_ error codes you may encounter while porting, and the socket error codes.
Typographical conventions
The following typographical conventions are used in this book:
typewriter Denotes text that may be entered at the keyboard, such as commands, file and program names, and source code.
typewriter italic
Denotes arguments to commands and functions where the argument is to be replaced by a specific value.
typewriter bold
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Denotes language keywords when used outside example code. |
italic |
Introduces special terminology, denotes internal cross-references, and |
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citations. |
bold |
Highlights interface elements, such as menu names. Also used for |
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emphasis in descriptive lists, where appropriate. |
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Preface
Further reading
This section lists publications from both ARM Limited and third parties that provide additional information on porting ARM TCP/IP.
ARM publications
This book contains reference information that is specific to ARM TCP/IP. For additional information, refer to the following ARM publications:
•ARM Architectural Reference Manual (ARM DDI 0100B)
•ARM Software Development Toolkit User Guide (ARM DUI 0040D)
•ARM Software Development Toolkit Reference Guide (ARM DUI 0041C).
Other publications
For other reference information, please refer to the following:
•Comer, Douglas E., Internetworking with TCP/IP: Principles, Protocols, and Architecture, 3rd Edition, 1995, Prentice-Hall (ISBN 0-13-216987-8)
•Jagger, David, ARM Architecture Reference Manual, 1997, Prentice-Hall (ISBN 0-13-736299-4)
•Kernighan, Brian W. and Ritchie, Dennis M., The C Programming Language, 2nd Edition, 1988, Prentice-Hall (ISBN 0-13-110370-8)
•RFC 1071, Borman, D., Braden, B. and Partridge, C., “Computing the Internet checksum”, 09/01/1988.
•RFC 1072, Braden, B. and Jacobson, V., “TCP extensions for long-delay paths”, 10/01/1988.
•RFC 1213, McCloghrie, K. and Rose, M., “Management Information Base for Network Management of TCP/IP-based internets: MIB-II”, 03/26/1991.
•RFC 1661, Simpson, W., “The Point-to-Point Protocol (PPP)”, 07/21/1994.
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