netdev - Re: regression due to "flush SAD/SPD generate false events"

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Message-Id: <20100217.134217.244120118.davem@davemloft.net>
Date:	Wed, 17 Feb 2010 13:42:17 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	adobriyan@...il.com
Cc:	hadi@...erus.ca, netdev@...r.kernel.org
Subject: Re: regression due to "flush SAD/SPD generate false events"

From: Alexey Dobriyan <adobriyan@...il.com>
Date: Wed, 17 Feb 2010 21:17:19 +0200

> commit 19f4c7133fc1b94001b997c4843d0a9192ee63e5
> xfrm: Flushing empty SAD generates false events
> 
> commit 0dca3a843632c2fbb6e358734fb08fc23e800f50
> xfrm: Flushing empty SPD generates false events
> 
> setkey now takes several seconds to run this simple script
> and it spits "recv: Resource temporarily unavailable" messages.
> 
> #!/usr/sbin/setkey -f
> flush;
> spdflush;
> 
> add A B ipcomp 44 -m tunnel -C deflate;
> add B A ipcomp 45 -m tunnel -C deflate;
> 
> spdadd A B any -P in ipsec
>         ipcomp/tunnel/192.168.1.2-192.168.1.3/use;
> spdadd B A any -P out ipsec
>         ipcomp/tunnel/192.168.1.3-192.168.1.2/use;

Thanks for the report Alexey.  I'll revert these changes
for now.

Jamal, if you can find a way to do this without breaking
existing applications feel free to send a new version of
these patches.

Thanks.
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