Geoff, I suspect gelic_net might have the same problem...

Cheers,
Ben.

On Fri, 2007-03-02 at 18:39 +0100, Norbert Eicker wrote:
> On Fri 2.3.2007 00:34, Linas Vepstas wrote:
> > On Thu, Mar 01, 2007 at 04:52:54PM -0600, Chris Engel wrote:
> > > I tried to apply this patch to 2.6.21-rc2 and CHECKSUM_HW appears
> > > to be changed to CHECKSUM_COMPLETE
> 
> Oops. I did not test this on the actual 2.6.21-rc2 before sending it.
> It worked fine for me on 2.6.18.
> 
> In the meantime it tested the patch below on 2.6.21.
> 
> > The use of CHECKSUM_HW was replaced by CHECKSUM_PARTIAL and
> > CHECKSUM_COMPLETE on a cae-by-case basis, in the patch series leading
> > up to 2.6.19.  In this case, I'm not sure which should have been
> > used.
> 
> In fact CHECKSUM_COMPLETE seems to be used on the receiving side while
> CHECKSUM_PARTIAL is the one to be used while sending frames. Thus the
> latter is the one to chose.
> 
> > Norbert, can you resubmit a patch that applies to a more recent
> > kernel? p.s. your emailer replaced tabs by spaces ...
> 
> so here's the new one:
> 
> Fix problem sending IP fragments on spidernet.
> 
> Signed-off-by: Norbert Eicker <[EMAIL PROTECTED]>
> ---
> diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
> index 3b91af8..e3019d5 100644
> --- a/drivers/net/spider_net.c
> +++ b/drivers/net/spider_net.c
> @@ -719,7 +719,7 @@ spider_net_prepare_tx_descr(struct spide
>                       SPIDER_NET_DESCR_CARDOWNED | SPIDER_NET_DMAC_NOCS;
>       spin_unlock_irqrestore(&chain->lock, flags);
> 
> -     if (skb->protocol == htons(ETH_P_IP))
> +     if (skb->protocol == htons(ETH_P_IP) && skb->ip_summed == 
> CHECKSUM_PARTIAL)
>               switch (skb->nh.iph->protocol) {
>               case IPPROTO_TCP:
>                       hwdescr->dmac_cmd_status |= SPIDER_NET_DMAC_TCP;
> 
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