[lwip-users] Re: [lwip] Offtopic Realtek

[John C. Toman]

Hi Nic,

Which RealTek chip are you using? The 8019AS? If so, perhaps another set 
of experienced eyes on the packet driver code might help you out.

John

Nicolas Moreau wrote:

>This is offtopic but somone here might have the answer.
>
>I am trying to write a driver for the Realtek chip, all is fine apart for one 
>problem. Some bytes are changed when the are sent on Ethernet.
>I am logging information using Etherpeek on W2K.
>eg: sending 0x50 in a packet I get 0x52 on the PC.
>
>I can write any value into registers and that works, so my hardware/bus is 
>fine.
>Some other bytes are substituted and the only pattern I have found is: 
>if bit 4 and any bit 5,6 or 7 is set then bit 1 is set !!
>
>I can't make any sense out of this, it's driving me mad. I even changed chips 
>and  I still have the same problem so I figure it must be software !
>
>Any ideas anyone ?
>
>Thanks
>
>Nic
>
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