4d73de38c2
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
29 lines
491 B
C
29 lines
491 B
C
#ifndef __IP_SET_BITMAP_H
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#define __IP_SET_BITMAP_H
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#include <uapi/linux/netfilter/ipset/ip_set_bitmap.h>
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#define IPSET_BITMAP_MAX_RANGE 0x0000FFFF
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enum {
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IPSET_ADD_FAILED = 1,
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IPSET_ADD_STORE_PLAIN_TIMEOUT,
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IPSET_ADD_START_STORED_TIMEOUT,
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};
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/* Common functions */
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static inline u32
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range_to_mask(u32 from, u32 to, u8 *bits)
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{
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u32 mask = 0xFFFFFFFE;
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*bits = 32;
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while (--(*bits) > 0 && mask && (to & mask) != from)
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mask <<= 1;
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return mask;
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}
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#endif /* __IP_SET_BITMAP_H */
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