Tutorials for problems with Xilinx's microblaze IP Stack

My team is using the microblaze and we're having some trouble with the ip stack.

I am usually not an embedded programmer but I would like to learn how to help.

Are there any tutorials about IP stacks? What are they? How are they programmed? How can I troubleshoot problems in the IP stack?

Basically any info would help me.

Thanks in advance,

Omer.

Edit:

According to our electronic engineer this is the problem:

We are using lwIP on the Spartan-3A DSP S3D1800A circut while using BSB and it microblaze on it.

We're trying to use the Echo Server demo that has been given to us and it's supposed to open a port to telnet and echo any message recivied f开发者_开发知识库rom there but it doesn't do that.

We have absolutly no idea what's wrong there.

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TCP/IP lean by Jeremy Bentham

http://www.iosoft.co.uk/tcplean.php

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As far as troubleshooting goes, you can search for relevant keywords on Xilinx forum. Different IP stack implementations for Microblaze have been around for a few years, so chances are you'll find a lot of useful stuff there.

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First, it's good to know which IP stack you're using. Are you using e.g. lwIP stack or uIP stack? They are popular stacks for embedded platforms. You could have a look at the documentation for those stacks, for an introduction to the main concepts. There are functional examples around for those stacks on a variety of platforms.

lwIP

• Documentation wiki (a bit sparse)
• Function documentation
• lwIP Example from Xilinx (it includes some Microblaze material)