[lwip-users] RE: lwip-users Digest, Vol 14, Issue 14

[Paul Riley]

Christiaan,

Talking to Marco it transpires that the LWIP he has was not from us.

>Can altera have a look at this as well?

We are contemplating upgrading the version of LWIP we ship with our Nios
II kits to LWIP 1.0, but not immediately. When we do this I will try
fold any changes to the generic code back into the main code. When we
upgraded to 0.7.2 I told Leon of the changes I needed to make, I will
certainly do the same again.

Paul

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Subject: lwip-users Digest, Vol 14, Issue 14


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   1. Re: AW: Re: [lwip-users] How to upgrade to LWIP 1.0
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Message: 1
Date: Wed, 13 Oct 2004 17:12:23 +0200
From: address@hidden
Subject: Re: AW: Re: [lwip-users] How to upgrade to LWIP 1.0
To: Mailing list for lwIP users <address@hidden>
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address@hidden wrote on 
lwip-users-bounces+13-10-2004
15:37:01:

> The problems are located in the file eth.c (I think a modification of 
> ethernetif.c) in the functions eth_output() and eth_input() where 
> pointers to PBUFs are expected as return values but in the newer 
> version of the above mentioned functions in etharp.c VOID will be
returned.

I'm unsure what the driver return values should currently be. Your local
files besides eth.c might need some fixes as well. I'll investigate this
a little more, since I also have to update from 0_7_1 or something.

> I have no real idea what I should do to overcome this problem. So it 
> would be nice, if you could give me some further hints how I could 
> change the eth.c to get the Ethernet driver back to work.

Can altera have a look at this as well?

> Is it maybe also possible to give me some explanation about the 
> (file)structure of LWIP - just for better understanding?

There are lwip files, and contribution (contrib) files.
The contrib ones come from your supplier and make up
the target specific "driver". The core lwip funtions in
the lwip directory are (should be) platform independant.

Bye,

Christiaan Simons

Software Engineer
Axon Digital Design

+31 (0)13 511 66 66
+31 (0)13 511 41 51

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