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RE: [lwip-users] Routing error in lwip 1.3.0

From: Muhamad Ikhwan Ismail
Subject: RE: [lwip-users] Routing error in lwip 1.3.0
Date: Thu, 10 Jul 2008 13:13:53 +0000


Mine is not a prebuilt port, I implemented it on a MPC852T PowerPC processor.
The Ethernet driver is one that I wrote myself. Version of lwip is 1.3.0 when it
was first released. (not RCs). I use the socket API to send and recv data.

Do i have to do connect as a UDP client ? I am now debugging to check if the Ip address was
corrupted in anyways either in PCB or in the IP layer. If i find anything ill definitely write it in here..

> Subject: RE: [lwip-users] Routing error in lwip 1.3.0
> From: address@hidden
> To: address@hidden
> Date: Thu, 10 Jul 2008 13:43:42 +0100
> On Thu, 2008-07-10 at 12:40 +0000, Muhamad Ikhwan Ismail wrote:
> >
> > Hi,
> >
> > Ill try to simplify a bit here :
> >
> > 1. In the device with lwip,there are 2 tasks running. One an UDP echo
> > client, which sends a packet and read the reply. It then checks if the
> > reply is the same packet it last sent. If not then triggers an error.
> > The packet is a string with a number which is incremented after each
> > succcesful echo cycle. The other task just simply sends some dummy UDP
> > packet into the network every 10s.
> >
> > 2. The echo works fine until the other lwip task sends the dummy
> > packet. At that moment there are 2 possible situations
> OK, that makes more sense.
> What version of lwIP are you using? Is it a pre-existing port to your
> hardware, or one you've done yourself? Similarly, what driver are you
> using? Which lwIP API do your tasks use to send and receive data?
> Kieran
> _______________________________________________
> lwip-users mailing list
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