On Thu, Sep 27, 2007 at 05:10:08PM +0400, Evgeniy Polyakov wrote:
>
> +static inline void nf_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
> + __be32 from, __be32 to, int pseudohdr)
> +{
> + __be32 diff[] = { ~from, to };
> + if (skb->ip_summed != CHECKSUM_PARTIAL) {
> + *sum = csum_fold(csum_partial(diff, sizeof(diff),
> + ~csum_unfold(*sum)));
> + if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr)
> + skb->csum = ~csum_partial(diff, sizeof(diff),
> + ~skb->csum);
> + } else if (pseudohdr)
> + *sum = ~csum_fold(csum_partial(diff, sizeof(diff),
> + csum_unfold(*sum)));
> +}
The embedded people are going to hate you for this :)
How about putting it in net/core/utils.c?
Cheers,
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