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SubjectRe: [BUG] sky2 broken for Yukon PCI-E Gigabit Ethernet Controller 11ab:4362 (rev 19)
2.6.16-rc2 still misses your patch. Was there a special reason not to 
send it
to Linus?

cu,
Knut

>On Fri, Jan 27, 2006 at 07:07:34AM +0100, Knut Petersen wrote:
>
>
>>Well, there are no problems if SuSEfirewall2 is disabled. But have a look
>>at the loaded modules:
>>
>>ipt_MASQUERADE 3968 1
>>pppoe 15360 2
>>pppox 4616 1 pppoe
>>
>>
>
>OK, although we can't rule out sky2/netfilter from the enquiry, I've
>identified two bugs in ppp/pppoe that may be responsible for what you
>are seeing. So please try the following patch and let us know if the
>problem still exists (or deteriorates/improves).
>
>[PPP]: Fixed hardware RX checksum handling
>
>When we pull the PPP protocol off the skb, we forgot to update the
>hardware RX checksum. This may lead to messages such as
>
> dsl0: hw csum failure.
>
>Similarly, we need to clear the hardware checksum flag when we use
>the existing packet to store the decompressed result.
>
>Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
>
>Cheers,
>
>
>------------------------------------------------------------------------
>
>diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
>--- a/drivers/net/ppp_generic.c
>+++ b/drivers/net/ppp_generic.c
>@@ -1610,6 +1610,8 @@ ppp_receive_nonmp_frame(struct ppp *ppp,
> }
> else if (!pskb_may_pull(skb, skb->len))
> goto err;
>+ else
>+ skb->ip_summed = CHECKSUM_NONE;
>
> len = slhc_uncompress(ppp->vj, skb->data + 2, skb->len - 2);
> if (len <= 0) {
>@@ -1690,6 +1692,7 @@ ppp_receive_nonmp_frame(struct ppp *ppp,
> kfree_skb(skb);
> } else {
> skb_pull(skb, 2); /* chop off protocol */
>+ skb_postpull_rcsum(skb, skb->data - 2, 2);
> skb->dev = ppp->dev;
> skb->protocol = htons(npindex_to_ethertype[npi]);
> skb->mac.raw = skb->data;
>
>

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