Re: [lwip-users] Port to TMS320C6713

[Bernhard 'Gustl' Bauer]

Hi,

'#define ETH_PAD_SIZE 2' did the trick. I had to add ETH_PAD_SIZE to 
cs8900if.c.

Now I get duplicate echo replys, arp works fine. Any pointers?

Gustl


timmy brolin wrote:

> I had some troubles with this as well. But I used an older version of
> lwIP. Search the lwIP mailing list. This is a known problem, and it
> has been solved by several people.
>
> -----Original Message----- From: "Bernhard 'Gustl' Bauer"
> <address@hidden> To: Mailing list for lwIP users
> <address@hidden> Date: Fri, 29 Apr 2005 09:11:23 +0200 
> Subject: Re: [lwip-users] Port to TMS320C6713
>
> Bernhard 'Gustl' Bauer wrote:
>
> > Leon Woestenberg wrote:
> >
> >
> > > Please keep us posted on your progress!
> >
> > I will, but still waiting for the HW.
>
>
> Hi,
>
> finaly I got my HW :-)
>
> Arp works fine. Then I tried ping and got no reply. I tracked the 
> problem down to ip_input(). There the packet is matched against an 
> interface and this fails. ----------- /* unicast to this interface
> address? */ if (ip_addr_cmp(&(iphdr->dest), &(netif->ip_addr)) || /*
> or broadcast on this interface network address? */ 
> ip_addr_isbroadcast(&(iphdr->dest), netif)) { ----------- iphdr->dest
> and netif->ip_addr are the same! But iphdr->dest is at address
> 0x80302F0A and is not dividable by 4. The dsp truncs the address to
> 0x80302F08 and so the compare fails.
>
> Any idea what can be done about this?
>
> Here is my lwipopts.h: ----------- #define MEM_ALIGNMENT
> 4 #define LWIP_DHCP                       1 #define LWIP_NOASSERT 
> #define NO_SYS                          1 -----------
>
> TIA
>
> Gustl
>
>
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