On Tue, 15 Aug 2006 23:31:21 -0400
"Jon Sjoberg" <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> Noticed that br_nf_pre_routing has some code to handle VLANs, but does not
> update the nh header. This appears to cause the IP validity checks to fail
> (i.e. "if (iph->ihl < 5...").
>
> There is a check:
> if (skb->protocol == __constant_htons(ETH_P_8021Q)){
> sk_pull(skb, VLAN_HLEN);
> }
>
> If this was changed to:
> if (skb->protocol == __constant_htons(ETH_P_8021Q)){
> sk_pull(skb, VLAN_HLEN);
> skb->nh.raw += VLAN_HLEN;
> }
>
> the checks pass. Note that this updated behavior is already doen elsewhere
> in the code.
>
> Thanks,
> Jon
You are looking at old code, it was fixed in the current 2.6 tree.
The skb_pull had to be changed to skb_pull_rcsum as well.
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