NAK: [SRU][F:linux-bluefield][PATCH 0/2] Add inner ipproto and fix in sec_path
Tim Gardner
tim.gardner at canonical.com
Thu Feb 10 12:48:38 UTC 2022
This isn't a clean cherry-pick. It is a backport.
rtg
On 2/9/22 9:39 AM, Bodong Wang wrote:
> The inner_ipproto saves the inner IP protocol of the plain
> text packet. This allows vendor's IPsec feature making offload
> decision at skb's features_check and configuring hardware at
> ndo_start_xmit.
>
> For example, ConnectX6-DX IPsec device needs the plaintext's
> IP protocol to support partial checksum offload on
> VXLAN/GENEVE packet over IPsec transport mode tunnel.
>
> As this data unrelated to the specific driver (the inner ip protocol of the
> plain text) then it makes sense to provide it in the xfrm stack layer to
> avoid code duplication in various drivers and do it on the fly in the xfrm
> layer instead of reparse the packet at the driver layer. This is handled by
> patch 1.
>
> However, patch 1 did not handle the case where IPsec is used in tunnel mode.
> Patch 2 fixed the bug.
>
> Huy Nguyen (1):
> net/xfrm: Add inner_ipproto into sec_path
>
> Raed Salem (1):
> net/xfrm: IPsec tunnel mode fix inner_ipproto setting in sec_path
>
> include/net/xfrm.h | 1 +
> net/xfrm/xfrm_output.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++-
> 2 files changed, 61 insertions(+), 1 deletion(-)
>
--
-----------
Tim Gardner
Canonical, Inc
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