From: Masahide NAKAMURA <[EMAIL PROTECTED]>
Date: Fri,  6 Apr 2007 16:25:39 +0900

> On MIPv6 usage, XFRM sub policy is enabled.
> When main (IPsec) and sub (MIPv6) policy selectors have the same
> address set but different upper layer information (i.e. protocol
> number and its ports or type/code), multiple bundle should be created.
> However, currently we have issue to use the same bundle created for
> the first time with all flows covered by the case.
> 
> It is useful for the bundle to have the upper layer information
> to be restructured correctly if it does not match with the flow.
> 
> 1. Bundle was created by two policies
> Selector from another policy is added to xfrm_dst.
> If the flow does not match the selector, it goes to slow path to
> restructure new bundle by single policy.
> 
> 2. Bundle was created by one policy
> Flow cache is added to xfrm_dst as originated one. If the flow does
> not match the cache, it goes to slow path to try searching another
> policy.
> 
> Signed-off-by: Masahide NAKAMURA <[EMAIL PROTECTED]>

This is an OK solution for the problem for now.

My senses tell me that there is probably some cleaner way to
handle this problem.  If you come up with a better idea for it,
please feel free to bounce your ideas to me.

Thanks.
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