Hi Simon, Yes, I am using DMA. Can you please elaborate on how to invalidate the cache lines, I havn't had much to do with dma to date ..
Many Thanks, Bernie On Fri, Feb 18, 2011 at 7:12 PM, Simon Goldschmidt <[email protected]> wrote: > > Bernard Mentink <[email protected]> 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 > > _______________________________________________ > lwip-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/lwip-users > -- You always have believers and scepticts.. A True inventor is always a believer..
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