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Viewing changes to datapath/linux/compat/include/net/ipv6.h

  • Committer: James Page
  • Date: 2013-08-21 10:16:57 UTC
  • mfrom: (1.1.20)
  • Revision ID: james.page@canonical.com-20130821101657-3o0z0qeiv5zkwlzi
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datapath/linux/compat/include/net/ipv6.h
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extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
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                         int target, unsigned short *fragoff, int *fragflg);
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)
 
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static inline u32 ipv6_addr_hash(const struct in6_addr *a)
 
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{
 
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#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
 
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        const unsigned long *ul = (const unsigned long *)a;
 
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        unsigned long x = ul[0] ^ ul[1];
 
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        return (u32)(x ^ (x >> 32));
 
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#else
 
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        return (__force u32)(a->s6_addr32[0] ^ a->s6_addr32[1] ^
 
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                             a->s6_addr32[2] ^ a->s6_addr32[3]);
 
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#endif
 
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}
 
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#endif
 
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#endif