ip_set_bitmap.h

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#ifndef __IP_SET_BITMAP_H
#define __IP_SET_BITMAP_H

#include <uapi/linux/netfilter/ipset/ip_set_bitmap.h>

#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 /* __IP_SET_BITMAP_H */