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Re: [3/4] [IPSEC] Add route element to xfrm_dst

To: "David S. Miller" <davem@xxxxxxxxxxxxx>
Subject: Re: [3/4] [IPSEC] Add route element to xfrm_dst
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 7 Mar 2005 21:02:09 +1100
Cc: kuznet@xxxxxxxxxxxxx, jmorris@xxxxxxxxxx, yoshfuji@xxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20050306212800.43d3d42e.davem@xxxxxxxxxxxxx>
References: <20050214221006.GA18415@xxxxxxxxxxxxxxxxxxx> <20050214221200.GA18465@xxxxxxxxxxxxxxxxxxx> <20050214221433.GB18465@xxxxxxxxxxxxxxxxxxx> <20050306212800.43d3d42e.davem@xxxxxxxxxxxxx>
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On Sun, Mar 06, 2005 at 09:28:00PM -0800, David S. Miller wrote:
> I guess this back traversal list makes it impossible for us
> to share xfrm_dst's for multiple unique flows even if that
> could be possible, right?

I used the back traversal only because it was convenient.  There is
nothing fundamental about it.

So if we ever implemented xdst sharing, we could easily modify
the couple of functions involved to walk the bundle forward and
then in reverse.

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