/usr/src/xtables-addons-1.40/ipset-6/ip_set_bitmap.h is in xtables-addons-dkms 1.40-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #ifndef __IP_SET_BITMAP_H
#define __IP_SET_BITMAP_H
/* Bitmap type specific error codes */
enum {
/* The element is out of the range of the set */
IPSET_ERR_BITMAP_RANGE = IPSET_ERR_TYPE_SPECIFIC,
/* The range exceeds the size limit of the set type */
IPSET_ERR_BITMAP_RANGE_SIZE,
};
#ifdef __KERNEL__
#define IPSET_BITMAP_MAX_RANGE 0x0000FFFF
/* Common functions */
static inline u32
range_to_mask(u32 from, u32 to, u8 *bits)
{
u32 mask = 0xFFFFFFFE;
*bits = 32;
while (--(*bits) > 0 && mask && (to & mask) != from)
mask <<= 1;
return mask;
}
#endif /* __KERNEL__ */
#endif /* __IP_SET_BITMAP_H */
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