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@@ -541,6 +541,25 @@ ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp)
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*ifap = ifp;
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*ifap = ifp;
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}
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}
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+/*
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+ * Hash function taken from net_alias.c
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+ */
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+static u8 ipv6_addr_hash(const struct in6_addr *addr)
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+{
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+ __u32 word;
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+
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+ /*
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+ * We perform the hash function over the last 64 bits of the address
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+ * This will include the IEEE address token on links that support it.
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+ */
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+
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+ word = (__force u32)(addr->s6_addr32[2] ^ addr->s6_addr32[3]);
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+ word ^= (word >> 16);
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+ word ^= (word >> 8);
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+
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+ return ((word ^ (word >> 4)) & 0x0f);
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+}
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+
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/* On success it returns ifp with increased reference count */
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/* On success it returns ifp with increased reference count */
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static struct inet6_ifaddr *
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static struct inet6_ifaddr *
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