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Viewing changes to include/linux/netfilter/ipset/ip_set_bitmap.h

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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include/linux/netfilter/ipset/ip_set_bitmap.h
 
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#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 */