Re: [lwip-users] Incoming Frame Check Sequence

[Jeff Barber]

The Ethernet FCS is only 4 bytes, so dropping an additional 4 bytes
(beyond the FCS) may well cause problems.

Jeff

On Fri, Oct 8, 2010 at 12:38 AM, Simon Goldschmidt <address@hidden> wrote:
>
> Joe Dupre <address@hidden> wrote:
>
>> My MAC does not drop the 8 byte FCS, leaving it in the DMA buffer for my 
>> EMAC driver to deal with.  Although the FCS is technically part of the 
>> frame, is there any reason to pass it up the stack after the frame is CRC 
>> validated?
> No. It should be dropped by the code, eventually. However, I'd strip it off 
> first to prevent future code being confused by the extra bytes.
>>
>
> Simon
> _______________________________________________
> lwip-users mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/lwip-users
>