32 lines
617 B
C
32 lines
617 B
C
#ifndef __IP_SET_BITMAP_H
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#define __IP_SET_BITMAP_H
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/* Bitmap type specific error codes */
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enum {
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/* The element is out of the range of the set */
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IPSET_ERR_BITMAP_RANGE = IPSET_ERR_TYPE_SPECIFIC,
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/* The range exceeds the size limit of the set type */
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IPSET_ERR_BITMAP_RANGE_SIZE,
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};
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#ifdef __KERNEL__
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#define IPSET_BITMAP_MAX_RANGE 0x0000FFFF
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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 /* __KERNEL__ */
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#endif /* __IP_SET_BITMAP_H */
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