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ipset: update to 6.6a-genl

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This commit is contained in:
Jan Engelhardt
2011-05-31 16:14:44 +02:00
parent 1b0790d151
commit cfb72bf468
43 changed files with 1488 additions and 1720 deletions
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21
extensions/ipset-6/pfxlen.c
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@@ -289,3 +289,24 @@ const union nf_inet_addr ip_set_hostmask_map[] = {
E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF),
};
EXPORT_SYMBOL_GPL(ip_set_hostmask_map);
/* Find the largest network which matches the range from left, in host order. */
u32
ip_set_range_to_cidr(u32 from, u32 to, u8 *cidr)
{
u32 last;
u8 i;
for (i = 1; i < 32; i++) {
if ((from & ip_set_hostmask(i)) != from)
continue;
last = from | ~ip_set_hostmask(i);
if (!after(last, to)) {
*cidr = i;
return last;
}
}
*cidr = 32;
return from;
}
EXPORT_SYMBOL_GPL(ip_set_range_to_cidr);