lwip-users
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [lwip-users] Re: ARP not working


From: Simon Goldschmidt
Subject: Re: [lwip-users] Re: ARP not working
Date: Fri, 18 Feb 2011 07:12:51 +0100

Bernard Mentink <address@hidden> wrote:
> I have found that by putting a breakpoint in the etharp_input function,
> that
> the PC will get an ARP reply, so it looks like some weid
> timing of buffering issue maybe ..

That rather looks like a cache issue. Do you have a DMA-enabled MAC? If so, did 
you correctly invalidate the cache lines for the addresses to/from which you 
received/send data (usually the memory pointed to by p->payload)?

Simon
-- 
GMX DSL Doppel-Flat ab 19,99 Euro/mtl.! Jetzt mit 
gratis Handy-Flat! http://portal.gmx.net/de/go/dsl



reply via email to

[Prev in Thread] Current Thread [Next in Thread]