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DHCP address match and mangler

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This commit is contained in:
Jan Engelhardt
2008-09-01 14:26:21 -04:00
parent ab27472eb4
commit f30793f591
12 changed files with 470 additions and 0 deletions
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13
extensions/compat_xtables.c
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@@ -383,6 +383,19 @@ int xtnu_neigh_hh_output(struct hh_cache *hh, struct sk_buff *skb)
return hh->hh_output(skb);
}
EXPORT_SYMBOL_GPL(xtnu_neigh_hh_output);
static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)
{
__be32 diff[] = {~from, to};
*sum = csum_fold(csum_partial((char *)diff, sizeof(diff),
~csum_unfold(*sum)));
}
void xtnu_csum_replace2(__sum16 *sum, __be16 from, __be16 to)
{
csum_replace4(sum, (__force __be32)from, (__force __be32)to);
}
EXPORT_SYMBOL_GPL(xtnu_csum_replace2);
#endif
MODULE_LICENSE("GPL");