On Tue, Feb 13, 2001 at 04:51:21PM +0100, Imran.Patel@xxxxxxxxx wrote:
> hello,
> i am currently working on a nat-pt (rfc 2766) implementation on linux. But i
> have just run into some sort of problem. i would like to convert between
> icmpv4 and icmpv6. But the skbuff handed over to me doesn't have any icmpv6
> member in the transport header. I have seen in the skbuff.h and i have found
> out that there is no icmpv6hdr member in the h union. so how do i get a
> reference to the icmpv6 data. I have used icmphdr instead and i am getting
> weird results.
You didn't describe how you hook into the stack. In case of a netfilter
module you currently need to walk the complete Ipv6 header chain to find
the protocol header you want, beginning with the ipv6 header (->nh.ipv6h)
-Andi
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