netdev - Re: [PATCH ipsec v2] xfrm: Provide private skb extensions for segmented and hw offloaded ESP packets

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Message-ID: <20210330052741.GD62598@gauss3.secunet.de>
Date:   Tue, 30 Mar 2021 07:27:41 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     <netdev@...r.kernel.org>
CC:     Florian Westphal <fw@...len.de>
Subject: Re: [PATCH ipsec v2] xfrm: Provide private skb extensions for
 segmented and hw offloaded ESP packets

On Fri, Mar 26, 2021 at 09:44:48AM +0100, Steffen Klassert wrote:
> Commit 94579ac3f6d0 ("xfrm: Fix double ESP trailer insertion in IPsec
> crypto offload.") added a XFRM_XMIT flag to avoid duplicate ESP trailer
> insertion on HW offload. This flag is set on the secpath that is shared
> amongst segments. This lead to a situation where some segments are
> not transformed correctly when segmentation happens at layer 3.
> 
> Fix this by using private skb extensions for segmented and hw offloaded
> ESP packets.
> 
> Fixes: 94579ac3f6d0 ("xfrm: Fix double ESP trailer insertion in IPsec crypto offload.")
> Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>

Now applied to the ipsec tree.