| #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 */ |
