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Date:	Mon, 17 Dec 2012 08:25:44 +0100
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	RongQing Li <roy.qing.li@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: XFRM: Could we change ESP padding?

On Mon, Dec 17, 2012 at 02:56:47PM +0800, RongQing Li wrote:
> 2012/12/17 Steffen Klassert <steffen.klassert@...unet.com>:
> >
> > RFC 4303 says that the receiver should inspect the padding field,
> > so we are free to do it or not. You can find a comment that explains
> > why we don't do it in the esp_input_done2() function ;-)
> >
> Thanks.
> 
> But I see BSD has implemented it, and cisco device has similar implmentation.
> 

The comment at the place where the padding field inspection should be done
is rather old. I always respected this when I came accross this code, but
I would not mind to have it implemented. Not sure if somebody still
remembers exactly why it was not implemented.
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