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IPVS: Extend protocol DNAT/SNAT and state handlers

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Extend protocol DNAT/SNAT and state handlers to work with IPv6. Also
change/introduce new checksumming helper functions for this.

Signed-off-by: Julius Volz <juliusv@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Julius Volz
2008-09-02 15:55:42 +02:00
committed by Simon Horman
parent 3b047d9d04
commit 0bbdd42b7e
3 changed files with 142 additions and 36 deletions
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11
include/net/ip_vs.h
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@@ -904,6 +904,17 @@ static inline __wsum ip_vs_check_diff4(__be32 old, __be32 new, __wsum oldsum)
return csum_partial((char *) diff, sizeof(diff), oldsum);
}
#ifdef CONFIG_IP_VS_IPV6
static inline __wsum ip_vs_check_diff16(const __be32 *old, const __be32 *new,
__wsum oldsum)
{
__be32 diff[8] = { ~old[3], ~old[2], ~old[1], ~old[0],
new[3], new[2], new[1], new[0] };
return csum_partial((char *) diff, sizeof(diff), oldsum);
}
#endif
static inline __wsum ip_vs_check_diff2(__be16 old, __be16 new, __wsum oldsum)
{
__be16 diff[2] = { ~old, new };