netdev - Re: when having to acquire an SA, ipsec drops the packet

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Date:	Tue, 6 Mar 2007 14:40:40 -0500 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Joy Latten <latten@...tin.ibm.com>
cc:	davem@...emloft.net, herbert@...dor.apana.org.au,
	netdev@...r.kernel.org, paul.moore@...com, vyekkirala@...stedCS.com
Subject: Re: when having to acquire an SA, ipsec drops the packet

On Tue, 6 Mar 2007, Joy Latten wrote:

> > I saw something similar to this some time ago when testing various 
> > failure modes, and discused it with Herbert.
> > 
> > IIRC, there's a larval SA which is not torn down properly by Racoon once 
> > the full SA is established, and the larval SA keeps resending until it 
> > times out.
> > 
> Ok, good to know. 
> I thought a bit more about this last night but am not
> sure best way to fix it. Perhaps a way to keep larval
> SA around until all SAs resulting from xfrm_vec[xfrm_nr]
> are established... oh well, just thinking out loud... :-) 

I think the solution, if this actually the problem, is for the userland 
code to maintain the SAs.


- James
-- 
James Morris
<jmorris@...ei.org>
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